I can imitate you can imitate he can imitate we can imitate you can imitate they can imitate
V-ing form
I can be imitating you can be imitating he can be imitating we can be imitating you can be imitating they can be imitating
Perfect
I can have imitated you can have imitated he can have imitated we can have imitated you can have imitated they can have imitated
V-ing perfect
I can have been imitating you can have been imitating he can have been imitating we can have been imitating you can have been imitating they can have been imitating
Negation
Simple form
I cannot imitate you cannot imitate he cannot imitate we cannot imitate you cannot imitate they cannot imitate
V-ing form
I cannot be imitating you cannot be imitating he cannot be imitating we cannot be imitating you cannot be imitating they cannot be imitating
Perfect
I cannot have imitated you cannot have imitated he cannot have imitated we cannot have imitated you cannot have imitated they cannot have imitated
V-ing perfect
I cannot have been imitating you cannot have been imitating he cannot have been imitating we cannot have been imitating you cannot have been imitating they cannot have been imitating
Interrogative form
Simple form
can I imitate? can you imitate? can he imitate? can we imitate? can you imitate? can they imitate?
V-ing form
can I be imitating? can you be imitating? can he be imitating? can we be imitating? can you be imitating? can they be imitating?
Perfect
can I have imitated? can you have imitated? can he have imitated? can we have imitated? can you have imitated? can they have imitated?
V-ing perfect
can I have been imitating? can you have been imitating? can he have been imitating? can we have been imitating? can you have been imitating? can they have been imitating?
Interro-negative form
Simple form
can I not imitate? can you not imitate? can he not imitate? can we not imitate? can you not imitate? can they not imitate?
V-ing form
can I not be imitating? can you not be imitating? can he not be imitating? can we not be imitating? can you not be imitating? can they not be imitating?
Perfect
can I not have imitated? can you not have imitated? can he not have imitated? can we not have imitated? can you not have imitated? can they not have imitated?
V-ing perfect
can I not have been imitating? can you not have been imitating? can he not have been imitating? can we not have been imitating? can you not have been imitating? can they not have been imitating?