English verb conjugation
COULD ASSEMBLE

Regular verb: assemble - assembled - assembled

Affirmation

Simple form	V-ing form
I could assemble you could assemble he could assemble we could assemble you could assemble they could assemble	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	V-ing 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	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	V-ing form
I could not assemble you could not assemble he could not assemble we could not assemble you could not assemble they could not assemble	I could not be assembling you could not be assembling he could not be assembling we could not be assembling you could not be assembling they could not be assembling
Perfect	V-ing perfect
I could not have assembled you could not have assembled he could not have assembled we could not have assembled you could not have assembled they could not have assembled	I could not have been assembling you could not have been assembling he could not have been assembling we could not have been assembling you could not have been assembling they could not have been assembling

Interrogative form

Simple form	V-ing form
could I assemble? could you assemble? could he assemble? could we assemble? could you assemble? could they assemble?	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	V-ing 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?	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	V-ing form
could I not assemble? could you not assemble? could he not assemble? could we not assemble? could you not assemble? could they not assemble?	could I not be assembling? could you not be assembling? could he not be assembling? could we not be assembling? could you not be assembling? could they not be assembling?
Perfect	V-ing perfect
could I not have assembled? could you not have assembled? could he not have assembled? could we not have assembled? could you not have assembled? could they not have assembled?	could I not have been assembling? could you not have been assembling? could he not have been assembling? could we not have been assembling? could you not have been assembling? could they not have been assembling?