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 couldn't hamper you couldn't hamper he couldn't hamper we couldn't hamper you couldn't hamper they couldn't hamper	I couldn't be hampering you couldn't be hampering he couldn't be hampering we couldn't be hampering you couldn't be hampering they couldn't be hampering
Perfect	V-ing perfect
I couldn't have hampered you couldn't have hampered he couldn't have hampered we couldn't have hampered you couldn't have hampered they couldn't have hampered	I couldn't have been hampering you couldn't have been hampering he couldn't have been hampering we couldn't have been hampering you couldn't have been hampering they couldn't 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
couldn't I hamper? couldn't you hamper? couldn't he hamper? couldn't we hamper? couldn't you hamper? couldn't they hamper?	couldn't I be hampering? couldn't you be hampering? couldn't he be hampering? couldn't we be hampering? couldn't you be hampering? couldn't they be hampering?
Perfect	V-ing perfect
couldn't I have hampered? couldn't you have hampered? couldn't he have hampered? couldn't we have hampered? couldn't you have hampered? couldn't they have hampered?	couldn't I have been hampering? couldn't you have been hampering? couldn't he have been hampering? couldn't we have been hampering? couldn't you have been hampering? couldn't they have been hampering?