I could rely you could rely he could rely we could rely you could rely they could rely
V-ing form
I could be relying you could be relying he could be relying we could be relying you could be relying they could be relying
Perfect
I could have relied you could have relied he 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 he 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 he 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 he 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 he 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 he 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 he rely? could we rely? could you rely? could they rely?
V-ing form
could I be relying? could you be relying? could he be relying? could we be relying? could you be relying? could they be relying?
Perfect
could I have relied? could you have relied? could he 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 he 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 he 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 he 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 he 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 he have been relying? couldn't we have been relying? couldn't you have been relying? couldn't they have been relying?