I could expect you could expect he could expect we could expect you could expect they could expect
V-ing form
I could be expecting you could be expecting he could be expecting we could be expecting you could be expecting they could be expecting
Perfect
I could have expected you could have expected he could have expected we could have expected you could have expected they could have expected
V-ing perfect
I could have been expecting you could have been expecting he could have been expecting we could have been expecting you could have been expecting they could have been expecting
Negation
Simple form
I couldn't expect you couldn't expect he couldn't expect we couldn't expect you couldn't expect they couldn't expect
V-ing form
I couldn't be expecting you couldn't be expecting he couldn't be expecting we couldn't be expecting you couldn't be expecting they couldn't be expecting
Perfect
I couldn't have expected you couldn't have expected he couldn't have expected we couldn't have expected you couldn't have expected they couldn't have expected
V-ing perfect
I couldn't have been expecting you couldn't have been expecting he couldn't have been expecting we couldn't have been expecting you couldn't have been expecting they couldn't have been expecting
Interrogative form
Simple form
could I expect? could you expect? could he expect? could we expect? could you expect? could they expect?
V-ing form
could I be expecting? could you be expecting? could he be expecting? could we be expecting? could you be expecting? could they be expecting?
Perfect
could I have expected? could you have expected? could he have expected? could we have expected? could you have expected? could they have expected?
V-ing perfect
could I have been expecting? could you have been expecting? could he have been expecting? could we have been expecting? could you have been expecting? could they have been expecting?
Interro-negative form
Simple form
couldn't I expect? couldn't you expect? couldn't he expect? couldn't we expect? couldn't you expect? couldn't they expect?
V-ing form
couldn't I be expecting? couldn't you be expecting? couldn't he be expecting? couldn't we be expecting? couldn't you be expecting? couldn't they be expecting?
Perfect
couldn't I have expected? couldn't you have expected? couldn't he have expected? couldn't we have expected? couldn't you have expected? couldn't they have expected?
V-ing perfect
couldn't I have been expecting? couldn't you have been expecting? couldn't he have been expecting? couldn't we have been expecting? couldn't you have been expecting? couldn't they have been expecting?