I can imagine you can imagine he can imagine we can imagine you can imagine they can imagine
V-ing form
I can be imagining you can be imagining he can be imagining we can be imagining you can be imagining they can be imagining
Perfect
I can have imagined you can have imagined he can have imagined we can have imagined you can have imagined they can have imagined
V-ing perfect
I can have been imagining you can have been imagining he can have been imagining we can have been imagining you can have been imagining they can have been imagining
Negation
Simple form
I cannot imagine you cannot imagine he cannot imagine we cannot imagine you cannot imagine they cannot imagine
V-ing form
I cannot be imagining you cannot be imagining he cannot be imagining we cannot be imagining you cannot be imagining they cannot be imagining
Perfect
I cannot have imagined you cannot have imagined he cannot have imagined we cannot have imagined you cannot have imagined they cannot have imagined
V-ing perfect
I cannot have been imagining you cannot have been imagining he cannot have been imagining we cannot have been imagining you cannot have been imagining they cannot have been imagining
Interrogative form
Simple form
can I imagine? can you imagine? can he imagine? can we imagine? can you imagine? can they imagine?
V-ing form
can I be imagining? can you be imagining? can he be imagining? can we be imagining? can you be imagining? can they be imagining?
Perfect
can I have imagined? can you have imagined? can he have imagined? can we have imagined? can you have imagined? can they have imagined?
V-ing perfect
can I have been imagining? can you have been imagining? can he have been imagining? can we have been imagining? can you have been imagining? can they have been imagining?
Interro-negative form
Simple form
can I not imagine? can you not imagine? can he not imagine? can we not imagine? can you not imagine? can they not imagine?
V-ing form
can I not be imagining? can you not be imagining? can he not be imagining? can we not be imagining? can you not be imagining? can they not be imagining?
Perfect
can I not have imagined? can you not have imagined? can he not have imagined? can we not have imagined? can you not have imagined? can they not have imagined?
V-ing perfect
can I not have been imagining? can you not have been imagining? can he not have been imagining? can we not have been imagining? can you not have been imagining? can they not have been imagining?