I can pretend you can pretend he can pretend we can pretend you can pretend they can pretend
V-ing form
I can be pretending you can be pretending he can be pretending we can be pretending you can be pretending they can be pretending
Perfect
I can have pretended you can have pretended he can have pretended we can have pretended you can have pretended they can have pretended
V-ing perfect
I can have been pretending you can have been pretending he can have been pretending we can have been pretending you can have been pretending they can have been pretending
Negation
Simple form
I cannot pretend you cannot pretend he cannot pretend we cannot pretend you cannot pretend they cannot pretend
V-ing form
I cannot be pretending you cannot be pretending he cannot be pretending we cannot be pretending you cannot be pretending they cannot be pretending
Perfect
I cannot have pretended you cannot have pretended he cannot have pretended we cannot have pretended you cannot have pretended they cannot have pretended
V-ing perfect
I cannot have been pretending you cannot have been pretending he cannot have been pretending we cannot have been pretending you cannot have been pretending they cannot have been pretending
Interrogative form
Simple form
can I pretend? can you pretend? can he pretend? can we pretend? can you pretend? can they pretend?
V-ing form
can I be pretending? can you be pretending? can he be pretending? can we be pretending? can you be pretending? can they be pretending?
Perfect
can I have pretended? can you have pretended? can he have pretended? can we have pretended? can you have pretended? can they have pretended?
V-ing perfect
can I have been pretending? can you have been pretending? can he have been pretending? can we have been pretending? can you have been pretending? can they have been pretending?
Interro-negative form
Simple form
can I not pretend? can you not pretend? can he not pretend? can we not pretend? can you not pretend? can they not pretend?
V-ing form
can I not be pretending? can you not be pretending? can he not be pretending? can we not be pretending? can you not be pretending? can they not be pretending?
Perfect
can I not have pretended? can you not have pretended? can he not have pretended? can we not have pretended? can you not have pretended? can they not have pretended?
V-ing perfect
can I not have been pretending? can you not have been pretending? can he not have been pretending? can we not have been pretending? can you not have been pretending? can they not have been pretending?