English verb conjugation
COULD SIDLE

Regular verb: sidle - sidled - sidled

Affirmation

Simple form	V-ing form
I could sidle you could sidle she could sidle we could sidle you could sidle they could sidle	I could be sidling you could be sidling she could be sidling we could be sidling you could be sidling they could be sidling
Perfect	V-ing perfect
I could have sidled you could have sidled she could have sidled we could have sidled you could have sidled they could have sidled	I could have been sidling you could have been sidling she could have been sidling we could have been sidling you could have been sidling they could have been sidling

Negation

Simple form	V-ing form
I could not sidle you could not sidle she could not sidle we could not sidle you could not sidle they could not sidle	I could not be sidling you could not be sidling she could not be sidling we could not be sidling you could not be sidling they could not be sidling
Perfect	V-ing perfect
I could not have sidled you could not have sidled she could not have sidled we could not have sidled you could not have sidled they could not have sidled	I could not have been sidling you could not have been sidling she could not have been sidling we could not have been sidling you could not have been sidling they could not have been sidling

Interrogative form

Simple form	V-ing form
could I sidle? could you sidle? could she sidle? could we sidle? could you sidle? could they sidle?	could I be sidling? could you be sidling? could she be sidling? could we be sidling? could you be sidling? could they be sidling?
Perfect	V-ing perfect
could I have sidled? could you have sidled? could she have sidled? could we have sidled? could you have sidled? could they have sidled?	could I have been sidling? could you have been sidling? could she have been sidling? could we have been sidling? could you have been sidling? could they have been sidling?

Interro-negative form

Simple form	V-ing form
could I not sidle? could you not sidle? could she not sidle? could we not sidle? could you not sidle? could they not sidle?	could I not be sidling? could you not be sidling? could she not be sidling? could we not be sidling? could you not be sidling? could they not be sidling?
Perfect	V-ing perfect
could I not have sidled? could you not have sidled? could she not have sidled? could we not have sidled? could you not have sidled? could they not have sidled?	could I not have been sidling? could you not have been sidling? could she not have been sidling? could we not have been sidling? could you not have been sidling? could they not have been sidling?