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