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