could snatch
Regular verb: snatch - snatched- snatched

Affirmation 	
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I could snatch
you could snatch
he could snatch
we could snatch
you could snatch
they could snatch 	I could be snatching
you could be snatching
he could be snatching
we could be snatching
you could be snatching
they could be snatching	I could have snatched
you could have snatched
he 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
he could have been snatching
we could have been snatching
you could have been snatching
they could have been snatching	

Negation 	
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I couldn't snatch
you couldn't snatch
he couldn't snatch
we couldn't snatch
you couldn't snatch
they couldn't snatch 	I couldn't be snatching
you couldn't be snatching
he couldn't be snatching
we couldn't be snatching
you couldn't be snatching
they couldn't be snatching	I couldn't have snatched
you couldn't have snatched
he couldn't have snatched
we couldn't have snatched
you couldn't have snatched
they couldn't have snatched	I couldn't have been snatching
you couldn't have been snatching
he couldn't have been snatching
we couldn't have been snatching
you couldn't have been snatching
they couldn't have been snatching	

Interrogative form 	
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could I snatch?
could you snatch?
could he snatch?
could we snatch?
could you snatch?
could they snatch? 	could I be snatching?
could you be snatching?
could he be snatching?
could we be snatching?
could you be snatching?
could they be snatching? 	could I have snatched?
could you have snatched?
could he 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 he have been snatching?
could we have been snatching?
could you have been snatching?
could they have been snatching? 	

Interro-negative form 	
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couldn't I snatch?
couldn't you snatch?
couldn't he snatch?
couldn't we snatch?
couldn't you snatch?
couldn't they snatch? 	couldn't I be snatching?
couldn't you be snatching?
couldn't he be snatching?
couldn't we be snatching?
couldn't you be snatching?
couldn't they be snatching? 	couldn't I have snatched?
couldn't you have snatched?
couldn't he have snatched?
couldn't we have snatched?
couldn't you have snatched?
couldn't they have snatched? 	couldn't I have been snatching?
couldn't you have been snatching?
couldn't he have been snatching?
couldn't we have been snatching?
couldn't you have been snatching?
couldn't they have been snatching?