English verb conjugation COULD ASSEMBLE

Regular verb: assemble - assembled - assembled

Affirmation

Simple form

I could assemble
you could assemble
he could assemble
we could assemble
you could assemble
they could assemble

V-ing form

I could be assembling
you could be assembling
he could be assembling
we could be assembling
you could be assembling
they could be assembling

Perfect

I could have assembled
you could have assembled
he could have assembled
we could have assembled
you could have assembled
they could have assembled

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I assemble?
could you assemble?
could he assemble?
could we assemble?
could you assemble?
could they assemble?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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