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