English verb conjugation CAN SUFFER

Regular verb: suffer - suffered - suffered


Affirmation

Simple form

I can suffer
you can suffer
he can suffer
we can suffer
you can suffer
they can suffer

V-ing form

I can be suffering
you can be suffering
he can be suffering
we can be suffering
you can be suffering
they can be suffering

Perfect

I can have suffered
you can have suffered
he can have suffered
we can have suffered
you can have suffered
they can have suffered

V-ing perfect

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

Negation

Simple form

I cannot suffer
you cannot suffer
he cannot suffer
we cannot suffer
you cannot suffer
they cannot suffer

V-ing form

I cannot be suffering
you cannot be suffering
he cannot be suffering
we cannot be suffering
you cannot be suffering
they cannot be suffering

Perfect

I cannot have suffered
you cannot have suffered
he cannot have suffered
we cannot have suffered
you cannot have suffered
they cannot have suffered

V-ing perfect

I cannot have been suffering
you cannot have been suffering
he cannot have been suffering
we cannot have been suffering
you cannot have been suffering
they cannot have been suffering

Interrogative form

Simple form

can I suffer?
can you suffer?
can he suffer?
can we suffer?
can you suffer?
can they suffer?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

can I not suffer?
can you not suffer?
can he not suffer?
can we not suffer?
can you not suffer?
can they not suffer?

V-ing form

can I not be suffering?
can you not be suffering?
can he not be suffering?
can we not be suffering?
can you not be suffering?
can they not be suffering?

Perfect

can I not have suffered?
can you not have suffered?
can he not have suffered?
can we not have suffered?
can you not have suffered?
can they not have suffered?

V-ing perfect

can I not have been suffering?
can you not have been suffering?
can he not have been suffering?
can we not have been suffering?
can you not have been suffering?
can they not have been suffering?