English verb conjugation
COULD HAMPER

Regular verb: hamper - hampered - hampered

Affirmation

Simple form	V-ing form
I could hamper you could hamper he could hamper we could hamper you could hamper they could hamper	I could be hampering you could be hampering he could be hampering we could be hampering you could be hampering they could be hampering
Perfect	V-ing perfect
I could have hampered you could have hampered he could have hampered we could have hampered you could have hampered they could have hampered	I could have been hampering you could have been hampering he could have been hampering we could have been hampering you could have been hampering they could have been hampering

Negation

Simple form	V-ing form
I could not hamper you could not hamper he could not hamper we could not hamper you could not hamper they could not hamper	I could not be hampering you could not be hampering he could not be hampering we could not be hampering you could not be hampering they could not be hampering
Perfect	V-ing perfect
I could not have hampered you could not have hampered he could not have hampered we could not have hampered you could not have hampered they could not have hampered	I could not have been hampering you could not have been hampering he could not have been hampering we could not have been hampering you could not have been hampering they could not have been hampering

Interrogative form

Simple form	V-ing form
could I hamper? could you hamper? could he hamper? could we hamper? could you hamper? could they hamper?	could I be hampering? could you be hampering? could he be hampering? could we be hampering? could you be hampering? could they be hampering?
Perfect	V-ing perfect
could I have hampered? could you have hampered? could he have hampered? could we have hampered? could you have hampered? could they have hampered?	could I have been hampering? could you have been hampering? could he have been hampering? could we have been hampering? could you have been hampering? could they have been hampering?

Interro-negative form

Simple form	V-ing form
could I not hamper? could you not hamper? could he not hamper? could we not hamper? could you not hamper? could they not hamper?	could I not be hampering? could you not be hampering? could he not be hampering? could we not be hampering? could you not be hampering? could they not be hampering?
Perfect	V-ing perfect
could I not have hampered? could you not have hampered? could he not have hampered? could we not have hampered? could you not have hampered? could they not have hampered?	could I not have been hampering? could you not have been hampering? could he not have been hampering? could we not have been hampering? could you not have been hampering? could they not have been hampering?