English verb conjugation
COULD SNATCH

Regular verb: snatch - snatched - snatched

Affirmation

Simple form	V-ing form
I could snatch you could snatch she could snatch we could snatch you could snatch they could snatch	I could be snatching you could be snatching she could be snatching we could be snatching you could be snatching they could be snatching
Perfect	V-ing perfect
I could have snatched you could have snatched she could have snatched we could have snatched you could have snatched they could have snatched	I could have been snatching you could have been snatching she could have been snatching we could have been snatching you could have been snatching they could have been snatching

Negation

Simple form	V-ing form
I could not snatch you could not snatch she could not snatch we could not snatch you could not snatch they could not snatch	I could not be snatching you could not be snatching she could not be snatching we could not be snatching you could not be snatching they could not be snatching
Perfect	V-ing perfect
I could not have snatched you could not have snatched she could not have snatched we could not have snatched you could not have snatched they could not have snatched	I could not have been snatching you could not have been snatching she could not have been snatching we could not have been snatching you could not have been snatching they could not have been snatching

Interrogative form

Simple form	V-ing form
could I snatch? could you snatch? could she snatch? could we snatch? could you snatch? could they snatch?	could I be snatching? could you be snatching? could she be snatching? could we be snatching? could you be snatching? could they be snatching?
Perfect	V-ing perfect
could I have snatched? could you have snatched? could she have snatched? could we have snatched? could you have snatched? could they have snatched?	could I have been snatching? could you have been snatching? could she have been snatching? could we have been snatching? could you have been snatching? could they have been snatching?

Interro-negative form

Simple form	V-ing form
could I not snatch? could you not snatch? could she not snatch? could we not snatch? could you not snatch? could they not snatch?	could I not be snatching? could you not be snatching? could she not be snatching? could we not be snatching? could you not be snatching? could they not be snatching?
Perfect	V-ing perfect
could I not have snatched? could you not have snatched? could she not have snatched? could we not have snatched? could you not have snatched? could they not have snatched?	could I not have been snatching? could you not have been snatching? could she not have been snatching? could we not have been snatching? could you not have been snatching? could they not have been snatching?