English verb conjugation
COULD SLEEK

Regular verb: sleek - sleeked - sleeked

Affirmation

Simple form	V-ing form
I could sleek you could sleek she could sleek we could sleek you could sleek they could sleek	I could be sleeking you could be sleeking she could be sleeking we could be sleeking you could be sleeking they could be sleeking
Perfect	V-ing perfect
I could have sleeked you could have sleeked she could have sleeked we could have sleeked you could have sleeked they could have sleeked	I could have been sleeking you could have been sleeking she could have been sleeking we could have been sleeking you could have been sleeking they could have been sleeking

Negation

Simple form	V-ing form
I couldn't sleek you couldn't sleek she couldn't sleek we couldn't sleek you couldn't sleek they couldn't sleek	I couldn't be sleeking you couldn't be sleeking she couldn't be sleeking we couldn't be sleeking you couldn't be sleeking they couldn't be sleeking
Perfect	V-ing perfect
I couldn't have sleeked you couldn't have sleeked she couldn't have sleeked we couldn't have sleeked you couldn't have sleeked they couldn't have sleeked	I couldn't have been sleeking you couldn't have been sleeking she couldn't have been sleeking we couldn't have been sleeking you couldn't have been sleeking they couldn't have been sleeking

Interrogative form

Simple form	V-ing form
could I sleek? could you sleek? could she sleek? could we sleek? could you sleek? could they sleek?	could I be sleeking? could you be sleeking? could she be sleeking? could we be sleeking? could you be sleeking? could they be sleeking?
Perfect	V-ing perfect
could I have sleeked? could you have sleeked? could she have sleeked? could we have sleeked? could you have sleeked? could they have sleeked?	could I have been sleeking? could you have been sleeking? could she have been sleeking? could we have been sleeking? could you have been sleeking? could they have been sleeking?

Interro-negative form

Simple form	V-ing form
couldn't I sleek? couldn't you sleek? couldn't she sleek? couldn't we sleek? couldn't you sleek? couldn't they sleek?	couldn't I be sleeking? couldn't you be sleeking? couldn't she be sleeking? couldn't we be sleeking? couldn't you be sleeking? couldn't they be sleeking?
Perfect	V-ing perfect
couldn't I have sleeked? couldn't you have sleeked? couldn't she have sleeked? couldn't we have sleeked? couldn't you have sleeked? couldn't they have sleeked?	couldn't I have been sleeking? couldn't you have been sleeking? couldn't she have been sleeking? couldn't we have been sleeking? couldn't you have been sleeking? couldn't they have been sleeking?