I could rely you could rely she could rely we could rely you could rely they could rely
V-ing form
I could be relying you could be relying she could be relying we could be relying you could be relying they could be relying
Perfect
I could have relied you could have relied she could have relied we could have relied you could have relied they could have relied
V-ing perfect
I could have been relying you could have been relying she could have been relying we could have been relying you could have been relying they could have been relying
Negation
Simple form
I couldn't rely you couldn't rely she couldn't rely we couldn't rely you couldn't rely they couldn't rely
V-ing form
I couldn't be relying you couldn't be relying she couldn't be relying we couldn't be relying you couldn't be relying they couldn't be relying
Perfect
I couldn't have relied you couldn't have relied she couldn't have relied we couldn't have relied you couldn't have relied they couldn't have relied
V-ing perfect
I couldn't have been relying you couldn't have been relying she couldn't have been relying we couldn't have been relying you couldn't have been relying they couldn't have been relying
Interrogative form
Simple form
could I rely? could you rely? could she rely? could we rely? could you rely? could they rely?
V-ing form
could I be relying? could you be relying? could she be relying? could we be relying? could you be relying? could they be relying?
Perfect
could I have relied? could you have relied? could she have relied? could we have relied? could you have relied? could they have relied?
V-ing perfect
could I have been relying? could you have been relying? could she have been relying? could we have been relying? could you have been relying? could they have been relying?
Interro-negative form
Simple form
couldn't I rely? couldn't you rely? couldn't she rely? couldn't we rely? couldn't you rely? couldn't they rely?
V-ing form
couldn't I be relying? couldn't you be relying? couldn't she be relying? couldn't we be relying? couldn't you be relying? couldn't they be relying?
Perfect
couldn't I have relied? couldn't you have relied? couldn't she have relied? couldn't we have relied? couldn't you have relied? couldn't they have relied?
V-ing perfect
couldn't I have been relying? couldn't you have been relying? couldn't she have been relying? couldn't we have been relying? couldn't you have been relying? couldn't they have been relying?