English verb conjugation
COULD KAYAK

Regular verb: kayak - kayaked - kayaked

Affirmation

Simple form	V-ing form
I could kayak you could kayak she could kayak we could kayak you could kayak they could kayak	I could be kayaking you could be kayaking she could be kayaking we could be kayaking you could be kayaking they could be kayaking
Perfect	V-ing perfect
I could have kayaked you could have kayaked she could have kayaked we could have kayaked you could have kayaked they could have kayaked	I could have been kayaking you could have been kayaking she could have been kayaking we could have been kayaking you could have been kayaking they could have been kayaking

Negation

Simple form	V-ing form
I could not kayak you could not kayak she could not kayak we could not kayak you could not kayak they could not kayak	I could not be kayaking you could not be kayaking she could not be kayaking we could not be kayaking you could not be kayaking they could not be kayaking
Perfect	V-ing perfect
I could not have kayaked you could not have kayaked she could not have kayaked we could not have kayaked you could not have kayaked they could not have kayaked	I could not have been kayaking you could not have been kayaking she could not have been kayaking we could not have been kayaking you could not have been kayaking they could not have been kayaking

Interrogative form

Simple form	V-ing form
could I kayak? could you kayak? could she kayak? could we kayak? could you kayak? could they kayak?	could I be kayaking? could you be kayaking? could she be kayaking? could we be kayaking? could you be kayaking? could they be kayaking?
Perfect	V-ing perfect
could I have kayaked? could you have kayaked? could she have kayaked? could we have kayaked? could you have kayaked? could they have kayaked?	could I have been kayaking? could you have been kayaking? could she have been kayaking? could we have been kayaking? could you have been kayaking? could they have been kayaking?

Interro-negative form

Simple form	V-ing form
could I not kayak? could you not kayak? could she not kayak? could we not kayak? could you not kayak? could they not kayak?	could I not be kayaking? could you not be kayaking? could she not be kayaking? could we not be kayaking? could you not be kayaking? could they not be kayaking?
Perfect	V-ing perfect
could I not have kayaked? could you not have kayaked? could she not have kayaked? could we not have kayaked? could you not have kayaked? could they not have kayaked?	could I not have been kayaking? could you not have been kayaking? could she not have been kayaking? could we not have been kayaking? could you not have been kayaking? could they not have been kayaking?