English verb conjugation
COULD GRANDSTAND

Regular verb: grandstand - grandstanded - grandstanded

Affirmation

Simple form	V-ing form
I could grandstand you could grandstand she could grandstand we could grandstand you could grandstand they could grandstand	I could be grandstanding you could be grandstanding she could be grandstanding we could be grandstanding you could be grandstanding they could be grandstanding
Perfect	V-ing perfect
I could have grandstanded you could have grandstanded she could have grandstanded we could have grandstanded you could have grandstanded they could have grandstanded	I could have been grandstanding you could have been grandstanding she could have been grandstanding we could have been grandstanding you could have been grandstanding they could have been grandstanding

Negation

Simple form	V-ing form
I could not grandstand you could not grandstand she could not grandstand we could not grandstand you could not grandstand they could not grandstand	I could not be grandstanding you could not be grandstanding she could not be grandstanding we could not be grandstanding you could not be grandstanding they could not be grandstanding
Perfect	V-ing perfect
I could not have grandstanded you could not have grandstanded she could not have grandstanded we could not have grandstanded you could not have grandstanded they could not have grandstanded	I could not have been grandstanding you could not have been grandstanding she could not have been grandstanding we could not have been grandstanding you could not have been grandstanding they could not have been grandstanding

Interrogative form

Simple form	V-ing form
could I grandstand? could you grandstand? could she grandstand? could we grandstand? could you grandstand? could they grandstand?	could I be grandstanding? could you be grandstanding? could she be grandstanding? could we be grandstanding? could you be grandstanding? could they be grandstanding?
Perfect	V-ing perfect
could I have grandstanded? could you have grandstanded? could she have grandstanded? could we have grandstanded? could you have grandstanded? could they have grandstanded?	could I have been grandstanding? could you have been grandstanding? could she have been grandstanding? could we have been grandstanding? could you have been grandstanding? could they have been grandstanding?

Interro-negative form

Simple form	V-ing form
could I not grandstand? could you not grandstand? could she not grandstand? could we not grandstand? could you not grandstand? could they not grandstand?	could I not be grandstanding? could you not be grandstanding? could she not be grandstanding? could we not be grandstanding? could you not be grandstanding? could they not be grandstanding?
Perfect	V-ing perfect
could I not have grandstanded? could you not have grandstanded? could she not have grandstanded? could we not have grandstanded? could you not have grandstanded? could they not have grandstanded?	could I not have been grandstanding? could you not have been grandstanding? could she not have been grandstanding? could we not have been grandstanding? could you not have been grandstanding? could they not have been grandstanding?