English verb conjugation
COULD GUST

Regular verb: gust - gusted - gusted

Affirmation

Simple form	V-ing form
I could gust you could gust he could gust we could gust you could gust they could gust	I could be gusting you could be gusting he could be gusting we could be gusting you could be gusting they could be gusting
Perfect	V-ing perfect
I could have gusted you could have gusted he could have gusted we could have gusted you could have gusted they could have gusted	I could have been gusting you could have been gusting he could have been gusting we could have been gusting you could have been gusting they could have been gusting

Negation

Simple form	V-ing form
I could not gust you could not gust he could not gust we could not gust you could not gust they could not gust	I could not be gusting you could not be gusting he could not be gusting we could not be gusting you could not be gusting they could not be gusting
Perfect	V-ing perfect
I could not have gusted you could not have gusted he could not have gusted we could not have gusted you could not have gusted they could not have gusted	I could not have been gusting you could not have been gusting he could not have been gusting we could not have been gusting you could not have been gusting they could not have been gusting

Interrogative form

Simple form	V-ing form
could I gust? could you gust? could he gust? could we gust? could you gust? could they gust?	could I be gusting? could you be gusting? could he be gusting? could we be gusting? could you be gusting? could they be gusting?
Perfect	V-ing perfect
could I have gusted? could you have gusted? could he have gusted? could we have gusted? could you have gusted? could they have gusted?	could I have been gusting? could you have been gusting? could he have been gusting? could we have been gusting? could you have been gusting? could they have been gusting?

Interro-negative form

Simple form	V-ing form
could I not gust? could you not gust? could he not gust? could we not gust? could you not gust? could they not gust?	could I not be gusting? could you not be gusting? could he not be gusting? could we not be gusting? could you not be gusting? could they not be gusting?
Perfect	V-ing perfect
could I not have gusted? could you not have gusted? could he not have gusted? could we not have gusted? could you not have gusted? could they not have gusted?	could I not have been gusting? could you not have been gusting? could he not have been gusting? could we not have been gusting? could you not have been gusting? could they not have been gusting?