English verb conjugation
COULD HAMSTRING

Irregular verb: hamstring - hamstrung - hamstrung

Affirmation

Simple form	V-ing form
I could hamstring you could hamstring he could hamstring we could hamstring you could hamstring they could hamstring	I could be hamstringing you could be hamstringing he could be hamstringing we could be hamstringing you could be hamstringing they could be hamstringing
Perfect	V-ing perfect
I could have hamstrung you could have hamstrung he could have hamstrung we could have hamstrung you could have hamstrung they could have hamstrung	I could have been hamstringing you could have been hamstringing he could have been hamstringing we could have been hamstringing you could have been hamstringing they could have been hamstringing

Negation

Simple form	V-ing form
I could not hamstring you could not hamstring he could not hamstring we could not hamstring you could not hamstring they could not hamstring	I could not be hamstringing you could not be hamstringing he could not be hamstringing we could not be hamstringing you could not be hamstringing they could not be hamstringing
Perfect	V-ing perfect
I could not have hamstrung you could not have hamstrung he could not have hamstrung we could not have hamstrung you could not have hamstrung they could not have hamstrung	I could not have been hamstringing you could not have been hamstringing he could not have been hamstringing we could not have been hamstringing you could not have been hamstringing they could not have been hamstringing

Interrogative form

Simple form	V-ing form
could I hamstring? could you hamstring? could he hamstring? could we hamstring? could you hamstring? could they hamstring?	could I be hamstringing? could you be hamstringing? could he be hamstringing? could we be hamstringing? could you be hamstringing? could they be hamstringing?
Perfect	V-ing perfect
could I have hamstrung? could you have hamstrung? could he have hamstrung? could we have hamstrung? could you have hamstrung? could they have hamstrung?	could I have been hamstringing? could you have been hamstringing? could he have been hamstringing? could we have been hamstringing? could you have been hamstringing? could they have been hamstringing?

Interro-negative form

Simple form	V-ing form
could I not hamstring? could you not hamstring? could he not hamstring? could we not hamstring? could you not hamstring? could they not hamstring?	could I not be hamstringing? could you not be hamstringing? could he not be hamstringing? could we not be hamstringing? could you not be hamstringing? could they not be hamstringing?
Perfect	V-ing perfect
could I not have hamstrung? could you not have hamstrung? could he not have hamstrung? could we not have hamstrung? could you not have hamstrung? could they not have hamstrung?	could I not have been hamstringing? could you not have been hamstringing? could he not have been hamstringing? could we not have been hamstringing? could you not have been hamstringing? could they not have been hamstringing?