English verb conjugation
COULD IMITATE

Regular verb: imitate - imitated - imitated

Affirmation

Simple form	V-ing form
I could imitate you could imitate she could imitate we could imitate you could imitate they could imitate	I could be imitating you could be imitating she could be imitating we could be imitating you could be imitating they could be imitating
Perfect	V-ing perfect
I could have imitated you could have imitated she could have imitated we could have imitated you could have imitated they could have imitated	I could have been imitating you could have been imitating she could have been imitating we could have been imitating you could have been imitating they could have been imitating

Negation

Simple form	V-ing form
I couldn't imitate you couldn't imitate she couldn't imitate we couldn't imitate you couldn't imitate they couldn't imitate	I couldn't be imitating you couldn't be imitating she couldn't be imitating we couldn't be imitating you couldn't be imitating they couldn't be imitating
Perfect	V-ing perfect
I couldn't have imitated you couldn't have imitated she couldn't have imitated we couldn't have imitated you couldn't have imitated they couldn't have imitated	I couldn't have been imitating you couldn't have been imitating she couldn't have been imitating we couldn't have been imitating you couldn't have been imitating they couldn't have been imitating

Interrogative form

Simple form	V-ing form
could I imitate? could you imitate? could she imitate? could we imitate? could you imitate? could they imitate?	could I be imitating? could you be imitating? could she be imitating? could we be imitating? could you be imitating? could they be imitating?
Perfect	V-ing perfect
could I have imitated? could you have imitated? could she have imitated? could we have imitated? could you have imitated? could they have imitated?	could I have been imitating? could you have been imitating? could she have been imitating? could we have been imitating? could you have been imitating? could they have been imitating?

Interro-negative form

Simple form	V-ing form
couldn't I imitate? couldn't you imitate? couldn't she imitate? couldn't we imitate? couldn't you imitate? couldn't they imitate?	couldn't I be imitating? couldn't you be imitating? couldn't she be imitating? couldn't we be imitating? couldn't you be imitating? couldn't they be imitating?
Perfect	V-ing perfect
couldn't I have imitated? couldn't you have imitated? couldn't she have imitated? couldn't we have imitated? couldn't you have imitated? couldn't they have imitated?	couldn't I have been imitating? couldn't you have been imitating? couldn't she have been imitating? couldn't we have been imitating? couldn't you have been imitating? couldn't they have been imitating?