English verb conjugation
COULD MAKE

Irregular verb: make - made - made

Affirmation

Simple form	V-ing form
I could make you could make he could make we could make you could make they could make	I could be making you could be making he could be making we could be making you could be making they could be making
Perfect	V-ing perfect
I could have made you could have made he could have made we could have made you could have made they could have made	I could have been making you could have been making he could have been making we could have been making you could have been making they could have been making

Negation

Simple form	V-ing form
I could not make you could not make he could not make we could not make you could not make they could not make	I could not be making you could not be making he could not be making we could not be making you could not be making they could not be making
Perfect	V-ing perfect
I could not have made you could not have made he could not have made we could not have made you could not have made they could not have made	I could not have been making you could not have been making he could not have been making we could not have been making you could not have been making they could not have been making

Interrogative form

Simple form	V-ing form
could I make? could you make? could he make? could we make? could you make? could they make?	could I be making? could you be making? could he be making? could we be making? could you be making? could they be making?
Perfect	V-ing perfect
could I have made? could you have made? could he have made? could we have made? could you have made? could they have made?	could I have been making? could you have been making? could he have been making? could we have been making? could you have been making? could they have been making?

Interro-negative form

Simple form	V-ing form
could I not make? could you not make? could he not make? could we not make? could you not make? could they not make?	could I not be making? could you not be making? could he not be making? could we not be making? could you not be making? could they not be making?
Perfect	V-ing perfect
could I not have made? could you not have made? could he not have made? could we not have made? could you not have made? could they not have made?	could I not have been making? could you not have been making? could he not have been making? could we not have been making? could you not have been making? could they not have been making?