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