I could bemoan you could bemoan he could bemoan we could bemoan you could bemoan they could bemoan
V-ing form
I could be bemoaning you could be bemoaning he could be bemoaning we could be bemoaning you could be bemoaning they could be bemoaning
Perfect
I could have bemoaned you could have bemoaned he could have bemoaned we could have bemoaned you could have bemoaned they could have bemoaned
V-ing perfect
I could have been bemoaning you could have been bemoaning he could have been bemoaning we could have been bemoaning you could have been bemoaning they could have been bemoaning
Negation
Simple form
I couldn't bemoan you couldn't bemoan he couldn't bemoan we couldn't bemoan you couldn't bemoan they couldn't bemoan
V-ing form
I couldn't be bemoaning you couldn't be bemoaning he couldn't be bemoaning we couldn't be bemoaning you couldn't be bemoaning they couldn't be bemoaning
Perfect
I couldn't have bemoaned you couldn't have bemoaned he couldn't have bemoaned we couldn't have bemoaned you couldn't have bemoaned they couldn't have bemoaned
V-ing perfect
I couldn't have been bemoaning you couldn't have been bemoaning he couldn't have been bemoaning we couldn't have been bemoaning you couldn't have been bemoaning they couldn't have been bemoaning
Interrogative form
Simple form
could I bemoan? could you bemoan? could he bemoan? could we bemoan? could you bemoan? could they bemoan?
V-ing form
could I be bemoaning? could you be bemoaning? could he be bemoaning? could we be bemoaning? could you be bemoaning? could they be bemoaning?
Perfect
could I have bemoaned? could you have bemoaned? could he have bemoaned? could we have bemoaned? could you have bemoaned? could they have bemoaned?
V-ing perfect
could I have been bemoaning? could you have been bemoaning? could he have been bemoaning? could we have been bemoaning? could you have been bemoaning? could they have been bemoaning?
Interro-negative form
Simple form
couldn't I bemoan? couldn't you bemoan? couldn't he bemoan? couldn't we bemoan? couldn't you bemoan? couldn't they bemoan?
V-ing form
couldn't I be bemoaning? couldn't you be bemoaning? couldn't he be bemoaning? couldn't we be bemoaning? couldn't you be bemoaning? couldn't they be bemoaning?
Perfect
couldn't I have bemoaned? couldn't you have bemoaned? couldn't he have bemoaned? couldn't we have bemoaned? couldn't you have bemoaned? couldn't they have bemoaned?
V-ing perfect
couldn't I have been bemoaning? couldn't you have been bemoaning? couldn't he have been bemoaning? couldn't we have been bemoaning? couldn't you have been bemoaning? couldn't they have been bemoaning?