To Know

Infinitive: to know
Gerund: knowing
Past participle: known
Simple past: knew


Irregular forms
Auxilliary verb
Spelling change

Indicative

Present
I know I know
you know you know
he/she/it knows he/she/it knows
we know we know
they know they know
you know you know
I do not know I don't know
you do not know you don't know
he/she/it does not know he/she/it doesn't know
we do not know we don't know
they do not know they don't know
you do not know you don't know
Preterite
I knew I knew
you knew you knew
he/she/it knew he/she/it knew
we knew we knew
they knew they knew
you knew you knew
I did not know I didn't know
you did not know you didn't know
he/she/it did not know he/she/it didn't know
we did not know we didn't know
they did not know they didn't know
you did not know you didn't know
Future
I will know I'll know
you will know you'll know
he/she/it will know he/she/it'll know
we will know we'll know
they will know they'll know
you will know you'll know
I will not know I won't know
you will not know you won't know
he/she/it will not know he/she/it won't know
we will not know we won't know
they will not know they won't know
you will not know you won't know

Perfect

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

Continuous

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

Continuous Perfect

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

Conditional

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

Imperative

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