I can moan you can moan she can moan we can moan you can moan they can moan
V-ing form
I can be moaning you can be moaning she can be moaning we can be moaning you can be moaning they can be moaning
Perfect
I can have moaned you can have moaned she can have moaned we can have moaned you can have moaned they can have moaned
V-ing perfect
I can have been moaning you can have been moaning she can have been moaning we can have been moaning you can have been moaning they can have been moaning
Negation
Simple form
I can't moan you can't moan she can't moan we can't moan you can't moan they can't moan
V-ing form
I can't be moaning you can't be moaning she can't be moaning we can't be moaning you can't be moaning they can't be moaning
Perfect
I can't have moaned you can't have moaned she can't have moaned we can't have moaned you can't have moaned they can't have moaned
V-ing perfect
I can't have been moaning you can't have been moaning she can't have been moaning we can't have been moaning you can't have been moaning they can't have been moaning
Interrogative form
Simple form
can I moan? can you moan? can she moan? can we moan? can you moan? can they moan?
V-ing form
can I be moaning? can you be moaning? can she be moaning? can we be moaning? can you be moaning? can they be moaning?
Perfect
can I have moaned? can you have moaned? can she have moaned? can we have moaned? can you have moaned? can they have moaned?
V-ing perfect
can I have been moaning? can you have been moaning? can she have been moaning? can we have been moaning? can you have been moaning? can they have been moaning?
Interro-negative form
Simple form
can't I moan? can't you moan? can't she moan? can't we moan? can't you moan? can't they moan?
V-ing form
can't I be moaning? can't you be moaning? can't she be moaning? can't we be moaning? can't you be moaning? can't they be moaning?
Perfect
can't I have moaned? can't you have moaned? can't she have moaned? can't we have moaned? can't you have moaned? can't they have moaned?
V-ing perfect
can't I have been moaning? can't you have been moaning? can't she have been moaning? can't we have been moaning? can't you have been moaning? can't they have been moaning?