English verb conjugation
COULD EQUATE

Regular verb: equate - equated - equated

Affirmation

Simple form	V-ing form
I could equate you could equate she could equate we could equate you could equate they could equate	I could be equating you could be equating she could be equating we could be equating you could be equating they could be equating
Perfect	V-ing perfect
I could have equated you could have equated she could have equated we could have equated you could have equated they could have equated	I could have been equating you could have been equating she could have been equating we could have been equating you could have been equating they could have been equating

Negation

Simple form	V-ing form
I couldn't equate you couldn't equate she couldn't equate we couldn't equate you couldn't equate they couldn't equate	I couldn't be equating you couldn't be equating she couldn't be equating we couldn't be equating you couldn't be equating they couldn't be equating
Perfect	V-ing perfect
I couldn't have equated you couldn't have equated she couldn't have equated we couldn't have equated you couldn't have equated they couldn't have equated	I couldn't have been equating you couldn't have been equating she couldn't have been equating we couldn't have been equating you couldn't have been equating they couldn't have been equating

Interrogative form

Simple form	V-ing form
could I equate? could you equate? could she equate? could we equate? could you equate? could they equate?	could I be equating? could you be equating? could she be equating? could we be equating? could you be equating? could they be equating?
Perfect	V-ing perfect
could I have equated? could you have equated? could she have equated? could we have equated? could you have equated? could they have equated?	could I have been equating? could you have been equating? could she have been equating? could we have been equating? could you have been equating? could they have been equating?

Interro-negative form

Simple form	V-ing form
couldn't I equate? couldn't you equate? couldn't she equate? couldn't we equate? couldn't you equate? couldn't they equate?	couldn't I be equating? couldn't you be equating? couldn't she be equating? couldn't we be equating? couldn't you be equating? couldn't they be equating?
Perfect	V-ing perfect
couldn't I have equated? couldn't you have equated? couldn't she have equated? couldn't we have equated? couldn't you have equated? couldn't they have equated?	couldn't I have been equating? couldn't you have been equating? couldn't she have been equating? couldn't we have been equating? couldn't you have been equating? couldn't they have been equating?