I can seethe you can seethe she can seethe we can seethe you can seethe they can seethe
V-ing form
I can be seething you can be seething she can be seething we can be seething you can be seething they can be seething
Perfect
I can have seethed you can have seethed she can have seethed we can have seethed you can have seethed they can have seethed
V-ing perfect
I can have been seething you can have been seething she can have been seething we can have been seething you can have been seething they can have been seething
Negation
Simple form
I cannot seethe you cannot seethe she cannot seethe we cannot seethe you cannot seethe they cannot seethe
V-ing form
I cannot be seething you cannot be seething she cannot be seething we cannot be seething you cannot be seething they cannot be seething
Perfect
I cannot have seethed you cannot have seethed she cannot have seethed we cannot have seethed you cannot have seethed they cannot have seethed
V-ing perfect
I cannot have been seething you cannot have been seething she cannot have been seething we cannot have been seething you cannot have been seething they cannot have been seething
Interrogative form
Simple form
can I seethe? can you seethe? can she seethe? can we seethe? can you seethe? can they seethe?
V-ing form
can I be seething? can you be seething? can she be seething? can we be seething? can you be seething? can they be seething?
Perfect
can I have seethed? can you have seethed? can she have seethed? can we have seethed? can you have seethed? can they have seethed?
V-ing perfect
can I have been seething? can you have been seething? can she have been seething? can we have been seething? can you have been seething? can they have been seething?
Interro-negative form
Simple form
can I not seethe? can you not seethe? can she not seethe? can we not seethe? can you not seethe? can they not seethe?
V-ing form
can I not be seething? can you not be seething? can she not be seething? can we not be seething? can you not be seething? can they not be seething?
Perfect
can I not have seethed? can you not have seethed? can she not have seethed? can we not have seethed? can you not have seethed? can they not have seethed?
V-ing perfect
can I not have been seething? can you not have been seething? can she not have been seething? can we not have been seething? can you not have been seething? can they not have been seething?