English verb conjugation COULD CLIMB

Regular verb: climb - climbed - climbed

Affirmation

Simple form

I could climb
you could climb
he could climb
we could climb
you could climb
they could climb

V-ing form

I could be climbing
you could be climbing
he could be climbing
we could be climbing
you could be climbing
they could be climbing

Perfect

I could have climbed
you could have climbed
he could have climbed
we could have climbed
you could have climbed
they could have climbed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I climb?
could you climb?
could he climb?
could we climb?
could you climb?
could they climb?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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