English verb conjugation CAN EXTEND

Regular verb: extend - extended - extended


Affirmation

Simple form

I can extend
you can extend
he can extend
we can extend
you can extend
they can extend

V-ing form

I can be extending
you can be extending
he can be extending
we can be extending
you can be extending
they can be extending

Perfect

I can have extended
you can have extended
he can have extended
we can have extended
you can have extended
they can have extended

V-ing perfect

I can have been extending
you can have been extending
he can have been extending
we can have been extending
you can have been extending
they can have been extending

Negation

Simple form

I can't extend
you can't extend
he can't extend
we can't extend
you can't extend
they can't extend

V-ing form

I can't be extending
you can't be extending
he can't be extending
we can't be extending
you can't be extending
they can't be extending

Perfect

I can't have extended
you can't have extended
he can't have extended
we can't have extended
you can't have extended
they can't have extended

V-ing perfect

I can't have been extending
you can't have been extending
he can't have been extending
we can't have been extending
you can't have been extending
they can't have been extending

Interrogative form

Simple form

can I extend?
can you extend?
can he extend?
can we extend?
can you extend?
can they extend?

V-ing form

can I be extending?
can you be extending?
can he be extending?
can we be extending?
can you be extending?
can they be extending?

Perfect

can I have extended?
can you have extended?
can he have extended?
can we have extended?
can you have extended?
can they have extended?

V-ing perfect

can I have been extending?
can you have been extending?
can he have been extending?
can we have been extending?
can you have been extending?
can they have been extending?

Interro-negative form

Simple form

can't I extend?
can't you extend?
can't he extend?
can't we extend?
can't you extend?
can't they extend?

V-ing form

can't I be extending?
can't you be extending?
can't he be extending?
can't we be extending?
can't you be extending?
can't they be extending?

Perfect

can't I have extended?
can't you have extended?
can't he have extended?
can't we have extended?
can't you have extended?
can't they have extended?

V-ing perfect

can't I have been extending?
can't you have been extending?
can't he have been extending?
can't we have been extending?
can't you have been extending?
can't they have been extending?