English verb conjugation
COULD MATURATE

Regular verb: maturate - maturated - maturated

Affirmation

Simple form	V-ing form
I could maturate you could maturate he could maturate we could maturate you could maturate they could maturate	I could be maturating you could be maturating he could be maturating we could be maturating you could be maturating they could be maturating
Perfect	V-ing perfect
I could have maturated you could have maturated he could have maturated we could have maturated you could have maturated they could have maturated	I could have been maturating you could have been maturating he could have been maturating we could have been maturating you could have been maturating they could have been maturating

Negation

Simple form	V-ing form
I couldn't maturate you couldn't maturate he couldn't maturate we couldn't maturate you couldn't maturate they couldn't maturate	I couldn't be maturating you couldn't be maturating he couldn't be maturating we couldn't be maturating you couldn't be maturating they couldn't be maturating
Perfect	V-ing perfect
I couldn't have maturated you couldn't have maturated he couldn't have maturated we couldn't have maturated you couldn't have maturated they couldn't have maturated	I couldn't have been maturating you couldn't have been maturating he couldn't have been maturating we couldn't have been maturating you couldn't have been maturating they couldn't have been maturating

Interrogative form

Simple form	V-ing form
could I maturate? could you maturate? could he maturate? could we maturate? could you maturate? could they maturate?	could I be maturating? could you be maturating? could he be maturating? could we be maturating? could you be maturating? could they be maturating?
Perfect	V-ing perfect
could I have maturated? could you have maturated? could he have maturated? could we have maturated? could you have maturated? could they have maturated?	could I have been maturating? could you have been maturating? could he have been maturating? could we have been maturating? could you have been maturating? could they have been maturating?

Interro-negative form

Simple form	V-ing form
couldn't I maturate? couldn't you maturate? couldn't he maturate? couldn't we maturate? couldn't you maturate? couldn't they maturate?	couldn't I be maturating? couldn't you be maturating? couldn't he be maturating? couldn't we be maturating? couldn't you be maturating? couldn't they be maturating?
Perfect	V-ing perfect
couldn't I have maturated? couldn't you have maturated? couldn't he have maturated? couldn't we have maturated? couldn't you have maturated? couldn't they have maturated?	couldn't I have been maturating? couldn't you have been maturating? couldn't he have been maturating? couldn't we have been maturating? couldn't you have been maturating? couldn't they have been maturating?