English verb conjugation
COULD FEAR

Regular verb: fear - feared - feared

Affirmation

Simple form	V-ing form
I could fear you could fear she could fear we could fear you could fear they could fear	I could be fearing you could be fearing she could be fearing we could be fearing you could be fearing they could be fearing
Perfect	V-ing perfect
I could have feared you could have feared she could have feared we could have feared you could have feared they could have feared	I could have been fearing you could have been fearing she could have been fearing we could have been fearing you could have been fearing they could have been fearing

Negation

Simple form	V-ing form
I could not fear you could not fear she could not fear we could not fear you could not fear they could not fear	I could not be fearing you could not be fearing she could not be fearing we could not be fearing you could not be fearing they could not be fearing
Perfect	V-ing perfect
I could not have feared you could not have feared she could not have feared we could not have feared you could not have feared they could not have feared	I could not have been fearing you could not have been fearing she could not have been fearing we could not have been fearing you could not have been fearing they could not have been fearing

Interrogative form

Simple form	V-ing form
could I fear? could you fear? could she fear? could we fear? could you fear? could they fear?	could I be fearing? could you be fearing? could she be fearing? could we be fearing? could you be fearing? could they be fearing?
Perfect	V-ing perfect
could I have feared? could you have feared? could she have feared? could we have feared? could you have feared? could they have feared?	could I have been fearing? could you have been fearing? could she have been fearing? could we have been fearing? could you have been fearing? could they have been fearing?

Interro-negative form

Simple form	V-ing form
could I not fear? could you not fear? could she not fear? could we not fear? could you not fear? could they not fear?	could I not be fearing? could you not be fearing? could she not be fearing? could we not be fearing? could you not be fearing? could they not be fearing?
Perfect	V-ing perfect
could I not have feared? could you not have feared? could she not have feared? could we not have feared? could you not have feared? could they not have feared?	could I not have been fearing? could you not have been fearing? could she not have been fearing? could we not have been fearing? could you not have been fearing? could they not have been fearing?