I could beshrew you could beshrew she could beshrew we could beshrew you could beshrew they could beshrew
V-ing form
I could be beshrewing you could be beshrewing she could be beshrewing we could be beshrewing you could be beshrewing they could be beshrewing
Perfect
I could have beshrewed you could have beshrewed she could have beshrewed we could have beshrewed you could have beshrewed they could have beshrewed
V-ing perfect
I could have been beshrewing you could have been beshrewing she could have been beshrewing we could have been beshrewing you could have been beshrewing they could have been beshrewing
Negation
Simple form
I couldn't beshrew you couldn't beshrew she couldn't beshrew we couldn't beshrew you couldn't beshrew they couldn't beshrew
V-ing form
I couldn't be beshrewing you couldn't be beshrewing she couldn't be beshrewing we couldn't be beshrewing you couldn't be beshrewing they couldn't be beshrewing
Perfect
I couldn't have beshrewed you couldn't have beshrewed she couldn't have beshrewed we couldn't have beshrewed you couldn't have beshrewed they couldn't have beshrewed
V-ing perfect
I couldn't have been beshrewing you couldn't have been beshrewing she couldn't have been beshrewing we couldn't have been beshrewing you couldn't have been beshrewing they couldn't have been beshrewing
Interrogative form
Simple form
could I beshrew? could you beshrew? could she beshrew? could we beshrew? could you beshrew? could they beshrew?
V-ing form
could I be beshrewing? could you be beshrewing? could she be beshrewing? could we be beshrewing? could you be beshrewing? could they be beshrewing?
Perfect
could I have beshrewed? could you have beshrewed? could she have beshrewed? could we have beshrewed? could you have beshrewed? could they have beshrewed?
V-ing perfect
could I have been beshrewing? could you have been beshrewing? could she have been beshrewing? could we have been beshrewing? could you have been beshrewing? could they have been beshrewing?
Interro-negative form
Simple form
couldn't I beshrew? couldn't you beshrew? couldn't she beshrew? couldn't we beshrew? couldn't you beshrew? couldn't they beshrew?
V-ing form
couldn't I be beshrewing? couldn't you be beshrewing? couldn't she be beshrewing? couldn't we be beshrewing? couldn't you be beshrewing? couldn't they be beshrewing?
Perfect
couldn't I have beshrewed? couldn't you have beshrewed? couldn't she have beshrewed? couldn't we have beshrewed? couldn't you have beshrewed? couldn't they have beshrewed?
V-ing perfect
couldn't I have been beshrewing? couldn't you have been beshrewing? couldn't she have been beshrewing? couldn't we have been beshrewing? couldn't you have been beshrewing? couldn't they have been beshrewing?