I can relax you can relax he can relax we can relax you can relax they can relax
V-ing form
I can be relaxing you can be relaxing he can be relaxing we can be relaxing you can be relaxing they can be relaxing
Perfect
I can have relaxed you can have relaxed he can have relaxed we can have relaxed you can have relaxed they can have relaxed
V-ing perfect
I can have been relaxing you can have been relaxing he can have been relaxing we can have been relaxing you can have been relaxing they can have been relaxing
Negation
Simple form
I cannot relax you cannot relax he cannot relax we cannot relax you cannot relax they cannot relax
V-ing form
I cannot be relaxing you cannot be relaxing he cannot be relaxing we cannot be relaxing you cannot be relaxing they cannot be relaxing
Perfect
I cannot have relaxed you cannot have relaxed he cannot have relaxed we cannot have relaxed you cannot have relaxed they cannot have relaxed
V-ing perfect
I cannot have been relaxing you cannot have been relaxing he cannot have been relaxing we cannot have been relaxing you cannot have been relaxing they cannot have been relaxing
Interrogative form
Simple form
can I relax? can you relax? can he relax? can we relax? can you relax? can they relax?
V-ing form
can I be relaxing? can you be relaxing? can he be relaxing? can we be relaxing? can you be relaxing? can they be relaxing?
Perfect
can I have relaxed? can you have relaxed? can he have relaxed? can we have relaxed? can you have relaxed? can they have relaxed?
V-ing perfect
can I have been relaxing? can you have been relaxing? can he have been relaxing? can we have been relaxing? can you have been relaxing? can they have been relaxing?
Interro-negative form
Simple form
can I not relax? can you not relax? can he not relax? can we not relax? can you not relax? can they not relax?
V-ing form
can I not be relaxing? can you not be relaxing? can he not be relaxing? can we not be relaxing? can you not be relaxing? can they not be relaxing?
Perfect
can I not have relaxed? can you not have relaxed? can he not have relaxed? can we not have relaxed? can you not have relaxed? can they not have relaxed?
V-ing perfect
can I not have been relaxing? can you not have been relaxing? can he not have been relaxing? can we not have been relaxing? can you not have been relaxing? can they not have been relaxing?