English verb conjugation
COULD PEAK

Regular verb: peak - peaked - peaked

Affirmation

Simple form	V-ing form
I could peak you could peak she could peak we could peak you could peak they could peak	I could be peaking you could be peaking she could be peaking we could be peaking you could be peaking they could be peaking
Perfect	V-ing perfect
I could have peaked you could have peaked she could have peaked we could have peaked you could have peaked they could have peaked	I could have been peaking you could have been peaking she could have been peaking we could have been peaking you could have been peaking they could have been peaking

Negation

Simple form	V-ing form
I couldn't peak you couldn't peak she couldn't peak we couldn't peak you couldn't peak they couldn't peak	I couldn't be peaking you couldn't be peaking she couldn't be peaking we couldn't be peaking you couldn't be peaking they couldn't be peaking
Perfect	V-ing perfect
I couldn't have peaked you couldn't have peaked she couldn't have peaked we couldn't have peaked you couldn't have peaked they couldn't have peaked	I couldn't have been peaking you couldn't have been peaking she couldn't have been peaking we couldn't have been peaking you couldn't have been peaking they couldn't have been peaking

Interrogative form

Simple form	V-ing form
could I peak? could you peak? could she peak? could we peak? could you peak? could they peak?	could I be peaking? could you be peaking? could she be peaking? could we be peaking? could you be peaking? could they be peaking?
Perfect	V-ing perfect
could I have peaked? could you have peaked? could she have peaked? could we have peaked? could you have peaked? could they have peaked?	could I have been peaking? could you have been peaking? could she have been peaking? could we have been peaking? could you have been peaking? could they have been peaking?

Interro-negative form

Simple form	V-ing form
couldn't I peak? couldn't you peak? couldn't she peak? couldn't we peak? couldn't you peak? couldn't they peak?	couldn't I be peaking? couldn't you be peaking? couldn't she be peaking? couldn't we be peaking? couldn't you be peaking? couldn't they be peaking?
Perfect	V-ing perfect
couldn't I have peaked? couldn't you have peaked? couldn't she have peaked? couldn't we have peaked? couldn't you have peaked? couldn't they have peaked?	couldn't I have been peaking? couldn't you have been peaking? couldn't she have been peaking? couldn't we have been peaking? couldn't you have been peaking? couldn't they have been peaking?