English verb conjugation COULD SUFFER

Regular verb: suffer - suffered - suffered

Affirmation

Simple form

I could suffer
you could suffer
he could suffer
we could suffer
you could suffer
they could suffer

V-ing form

I could be suffering
you could be suffering
he could be suffering
we could be suffering
you could be suffering
they could be suffering

Perfect

I could have suffered
you could have suffered
he could have suffered
we could have suffered
you could have suffered
they could have suffered

V-ing perfect

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

Negation

Simple form

I couldn't suffer
you couldn't suffer
he couldn't suffer
we couldn't suffer
you couldn't suffer
they couldn't suffer

V-ing form

I couldn't be suffering
you couldn't be suffering
he couldn't be suffering
we couldn't be suffering
you couldn't be suffering
they couldn't be suffering

Perfect

I couldn't have suffered
you couldn't have suffered
he couldn't have suffered
we couldn't have suffered
you couldn't have suffered
they couldn't have suffered

V-ing perfect

I couldn't have been suffering
you couldn't have been suffering
he couldn't have been suffering
we couldn't have been suffering
you couldn't have been suffering
they couldn't have been suffering

Interrogative form

Simple form

could I suffer?
could you suffer?
could he suffer?
could we suffer?
could you suffer?
could they suffer?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

couldn't I suffer?
couldn't you suffer?
couldn't he suffer?
couldn't we suffer?
couldn't you suffer?
couldn't they suffer?

V-ing form

couldn't I be suffering?
couldn't you be suffering?
couldn't he be suffering?
couldn't we be suffering?
couldn't you be suffering?
couldn't they be suffering?

Perfect

couldn't I have suffered?
couldn't you have suffered?
couldn't he have suffered?
couldn't we have suffered?
couldn't you have suffered?
couldn't they have suffered?

V-ing perfect

couldn't I have been suffering?
couldn't you have been suffering?
couldn't he have been suffering?
couldn't we have been suffering?
couldn't you have been suffering?
couldn't they have been suffering?

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