I can suspend you can suspend he can suspend we can suspend you can suspend they can suspend
V-ing form
I can be suspending you can be suspending he can be suspending we can be suspending you can be suspending they can be suspending
Perfect
I can have suspended you can have suspended he can have suspended we can have suspended you can have suspended they can have suspended
V-ing perfect
I can have been suspending you can have been suspending he can have been suspending we can have been suspending you can have been suspending they can have been suspending
Negation
Simple form
I can't suspend you can't suspend he can't suspend we can't suspend you can't suspend they can't suspend
V-ing form
I can't be suspending you can't be suspending he can't be suspending we can't be suspending you can't be suspending they can't be suspending
Perfect
I can't have suspended you can't have suspended he can't have suspended we can't have suspended you can't have suspended they can't have suspended
V-ing perfect
I can't have been suspending you can't have been suspending he can't have been suspending we can't have been suspending you can't have been suspending they can't have been suspending
Interrogative form
Simple form
can I suspend? can you suspend? can he suspend? can we suspend? can you suspend? can they suspend?
V-ing form
can I be suspending? can you be suspending? can he be suspending? can we be suspending? can you be suspending? can they be suspending?
Perfect
can I have suspended? can you have suspended? can he have suspended? can we have suspended? can you have suspended? can they have suspended?
V-ing perfect
can I have been suspending? can you have been suspending? can he have been suspending? can we have been suspending? can you have been suspending? can they have been suspending?
Interro-negative form
Simple form
can't I suspend? can't you suspend? can't he suspend? can't we suspend? can't you suspend? can't they suspend?
V-ing form
can't I be suspending? can't you be suspending? can't he be suspending? can't we be suspending? can't you be suspending? can't they be suspending?
Perfect
can't I have suspended? can't you have suspended? can't he have suspended? can't we have suspended? can't you have suspended? can't they have suspended?
V-ing perfect
can't I have been suspending? can't you have been suspending? can't he have been suspending? can't we have been suspending? can't you have been suspending? can't they have been suspending?