To Strengthen

Infinitive: to strengthen
Gerund: strengthening
Past participle: strengthened
Simple past: strengthened


Irregular forms
Auxilliary verb
Spelling change

Indicative

Present
I strengthen I strengthen
you strengthen you strengthen
he/she/it strengthens he/she/it strengthens
we strengthen we strengthen
they strengthen they strengthen
you strengthen you strengthen
I do not strengthen I don't strengthen
you do not strengthen you don't strengthen
he/she/it does not strengthen he/she/it doesn't strengthen
we do not strengthen we don't strengthen
they do not strengthen they don't strengthen
you do not strengthen you don't strengthen
Preterite
I strengthened I strengthened
you strengthened you strengthened
he/she/it strengthened he/she/it strengthened
we strengthened we strengthened
they strengthened they strengthened
you strengthened you strengthened
I did not strengthen I didn't strengthen
you did not strengthen you didn't strengthen
he/she/it did not strengthen he/she/it didn't strengthen
we did not strengthen we didn't strengthen
they did not strengthen they didn't strengthen
you did not strengthen you didn't strengthen
Future
I will strengthen I'll strengthen
you will strengthen you'll strengthen
he/she/it will strengthen he/she/it'll strengthen
we will strengthen we'll strengthen
they will strengthen they'll strengthen
you will strengthen you'll strengthen
I will not strengthen I won't strengthen
you will not strengthen you won't strengthen
he/she/it will not strengthen he/she/it won't strengthen
we will not strengthen we won't strengthen
they will not strengthen they won't strengthen
you will not strengthen you won't strengthen

Perfect

Present
I have strengthened I've strengthened
you have strengthened you've strengthened
he/she/it has strengthened he/she/it's strengthened
we have strengthened we've strengthened
they have strengthened they've strengthened
you have strengthened you've strengthened
I have not strengthened I haven't strengthened
you have not strengthened you haven't strengthened
he/she/it has not strengthened he/she/it hasn't strengthened
we have not strengthened we haven't strengthened
they have not strengthened they haven't strengthened
you have not strengthened you haven't strengthened
Past
I had strengthened I'd strengthened
you had strengthened you'd strengthened
he/she/it had strengthened he/she/it'd strengthened
we had strengthened we'd strengthened
they had strengthened they'd strengthened
you had strengthened you'd strengthened
I had not strengthened I hadn't strengthened
you had not strengthened you hadn't strengthened
he/she/it had not strengthened he/she/it hadn't strengthened
we had not strengthened we hadn't strengthened
they had not strengthened they hadn't strengthened
you had not strengthened you hadn't strengthened
Future
I will have strengthened I'll have strengthened
you will have strengthened you'll have strengthened
he/she/it will have strengthened he/she/it'll have strengthened
we will have strengthened we'll have strengthened
they will have strengthened they'll have strengthened
you will have strengthened you'll have strengthened
I will not have strengthened I won't have strengthened
you will not have strengthened you won't have strengthened
he/she/it will not have strengthened he/she/it won't have strengthened
we will not have strengthened we won't have strengthened
they will not have strengthened they won't have strengthened
you will not have strengthened you won't have strengthened

Continuous

Present
I am strengthening I'm strengthening
you are strengthening you're strengthening
he/she/it is strengthening he/she/it's strengthening
we are strengthening we're strengthening
they are strengthening they're strengthening
you are strengthening you're strengthening
I am not strengthening I'm not strengthening
you are not strengthening you aren't strengthening
he/she/it is not strengthening he/she/it isn't strengthening
we are not strengthening we aren't strengthening
they are not strengthening they aren't strengthening
you are not strengthening you aren't strengthening
Past
I was strengthening I was strengthening
you were strengthening you were strengthening
he/she/it was strengthening he/she/it was strengthening
we were strengthening we were strengthening
they were strengthening they were strengthening
you were strengthening you were strengthening
I was not strengthening I wasn't strengthening
you were not strengthening you weren't strengthening
he/she/it was not strengthening he/she/it wasn't strengthening
we were not strengthening we weren't strengthening
they were not strengthening they weren't strengthening
you were not strengthening you weren't strengthening
Future
I will be strengthening I'll be strengthening
you will be strengthening you'll be strengthening
he/she/it will be strengthening he/she/it'll be strengthening
we will be strengthening we'll be strengthening
they will be strengthening they'll be strengthening
you will be strengthening you'll be strengthening
I will not be strengthening I won't be strengthening
you will not be strengthening you won't be strengthening
he/she/it will not be strengthening he/she/it won't be strengthening
we will not be strengthening we won't be strengthening
they will not be strengthening they won't be strengthening
you will not be strengthening you won't be strengthening

Continuous Perfect

Present
I have been strengthening I've been strengthening
you have been strengthening you've been strengthening
he/she/it has been strengthening he/she/it's been strengthening
we have been strengthening we've been strengthening
they have been strengthening they've been strengthening
you have been strengthening you've been strengthening
I have not been strengthening I haven't been strengthening
you have not been strengthening you haven't been strengthening
he/she/it has not been strengthening he/she/it hasn't been strengthening
we have not been strengthening we haven't been strengthening
they have not been strengthening they haven't been strengthening
you have not been strengthening you haven't been strengthening
Past
I had been strengthening I'd been strengthening
you had been strengthening you'd been strengthening
he/she/it had been strengthening he/she/it'd been strengthening
we had been strengthening we'd been strengthening
they had been strengthening they'd been strengthening
you had been strengthening you'd been strengthening
I had not been strengthening I hadn't been strengthening
you had not been strengthening you hadn't been strengthening
he/she/it had not been strengthening he/she/it hadn't been strengthening
we had not been strengthening we hadn't been strengthening
they had not been strengthening they hadn't been strengthening
you had not been strengthening you hadn't been strengthening
Future
I will have been strengthening I'll have been strengthening
you will have been strengthening you'll have been strengthening
he/she/it will have been strengthening he/she/it'll have been strengthening
we will have been strengthening we'll have been strengthening
they will have been strengthening they'll have been strengthening
you will have been strengthening you'll have been strengthening
I will not have been strengthening I won't have been strengthening
you will not have been strengthening you won't have been strengthening
he/she/it will not have been strengthening he/she/it won't have been strengthening
we will not have been strengthening we won't have been strengthening
they will not have been strengthening they won't have been strengthening
you will not have been strengthening you won't have been strengthening

Conditional

Present
I would strengthen I would strengthen
you would strengthen you would strengthen
he/she/it would strengthen he/she/it would strengthen
we would strengthen we would strengthen
they would strengthen they would strengthen
you would strengthen you would strengthen
I would not strengthen I wouldn't strengthen
you would not strengthen you wouldn't strengthen
he/she/it would not strengthen he/she/it wouldn't strengthen
we would not strengthen we wouldn't strengthen
they would not strengthen they wouldn't strengthen
you would not strengthen you wouldn't strengthen
Perfect
I would have strengthened I would've strengthened
you would have strengthened you would've strengthened
he/she/it would have strengthened he/she/it would've strengthened
we would have strengthened we would've strengthened
they would have strengthened they would've strengthened
you would have strengthened you would've strengthened
I would not have strengthened I wouldn't have strengthened
you would not have strengthened you wouldn't have strengthened
he/she/it would not have strengthened he/she/it wouldn't have strengthened
we would not have strengthened we wouldn't have strengthened
they would not have strengthened they wouldn't have strengthened
you would not have strengthened you wouldn't have strengthened

Imperative

(you) strengthen (you) strengthen
(we) let's strengthen (we) let's strengthen
(you) strengthen (you) strengthen
(you) do not strengthen (you) don't strengthen
(we) let's not strengthen (we) let's not strengthen
(you) do not strengthen (you) don't strengthen