I can impose you can impose he can impose we can impose you can impose they can impose
V-ing form
I can be imposing you can be imposing he can be imposing we can be imposing you can be imposing they can be imposing
Perfect
I can have imposed you can have imposed he can have imposed we can have imposed you can have imposed they can have imposed
V-ing perfect
I can have been imposing you can have been imposing he can have been imposing we can have been imposing you can have been imposing they can have been imposing
Negation
Simple form
I can't impose you can't impose he can't impose we can't impose you can't impose they can't impose
V-ing form
I can't be imposing you can't be imposing he can't be imposing we can't be imposing you can't be imposing they can't be imposing
Perfect
I can't have imposed you can't have imposed he can't have imposed we can't have imposed you can't have imposed they can't have imposed
V-ing perfect
I can't have been imposing you can't have been imposing he can't have been imposing we can't have been imposing you can't have been imposing they can't have been imposing
Interrogative form
Simple form
can I impose? can you impose? can he impose? can we impose? can you impose? can they impose?
V-ing form
can I be imposing? can you be imposing? can he be imposing? can we be imposing? can you be imposing? can they be imposing?
Perfect
can I have imposed? can you have imposed? can he have imposed? can we have imposed? can you have imposed? can they have imposed?
V-ing perfect
can I have been imposing? can you have been imposing? can he have been imposing? can we have been imposing? can you have been imposing? can they have been imposing?
Interro-negative form
Simple form
can't I impose? can't you impose? can't he impose? can't we impose? can't you impose? can't they impose?
V-ing form
can't I be imposing? can't you be imposing? can't he be imposing? can't we be imposing? can't you be imposing? can't they be imposing?
Perfect
can't I have imposed? can't you have imposed? can't he have imposed? can't we have imposed? can't you have imposed? can't they have imposed?
V-ing perfect
can't I have been imposing? can't you have been imposing? can't he have been imposing? can't we have been imposing? can't you have been imposing? can't they have been imposing?