English verb conjugation
COULD EQUATE

Regular verb: equate - equated - equated

Affirmation

Simple form	V-ing form
I could equate you could equate he could equate we could equate you could equate they could equate	I could be equating you could be equating he 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 he 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 he 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 he 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 he 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 he 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 he 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 he equate? could we equate? could you equate? could they equate?	could I be equating? could you be equating? could he 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 he 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 he 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 he 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 he 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 he 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 he have been equating? couldn't we have been equating? couldn't you have been equating? couldn't they have been equating?