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