could clasp
Regular verb: clasp - clasped- clasped

Affirmation 	
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I could clasp
you could clasp
she could clasp
we could clasp
you could clasp
they could clasp 	I could be clasping
you could be clasping
she could be clasping
we could be clasping
you could be clasping
they could be clasping	I could have clasped
you could have clasped
she could have clasped
we could have clasped
you could have clasped
they could have clasped	I could have been clasping
you could have been clasping
she could have been clasping
we could have been clasping
you could have been clasping
they could have been clasping	

Negation 	
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I couldn't clasp
you couldn't clasp
she couldn't clasp
we couldn't clasp
you couldn't clasp
they couldn't clasp 	I couldn't be clasping
you couldn't be clasping
she couldn't be clasping
we couldn't be clasping
you couldn't be clasping
they couldn't be clasping	I couldn't have clasped
you couldn't have clasped
she couldn't have clasped
we couldn't have clasped
you couldn't have clasped
they couldn't have clasped	I couldn't have been clasping
you couldn't have been clasping
she couldn't have been clasping
we couldn't have been clasping
you couldn't have been clasping
they couldn't have been clasping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I clasp?
could you clasp?
could she clasp?
could we clasp?
could you clasp?
could they clasp? 	could I be clasping?
could you be clasping?
could she be clasping?
could we be clasping?
could you be clasping?
could they be clasping? 	could I have clasped?
could you have clasped?
could she have clasped?
could we have clasped?
could you have clasped?
could they have clasped? 	could I have been clasping?
could you have been clasping?
could she have been clasping?
could we have been clasping?
could you have been clasping?
could they have been clasping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I clasp?
couldn't you clasp?
couldn't she clasp?
couldn't we clasp?
couldn't you clasp?
couldn't they clasp? 	couldn't I be clasping?
couldn't you be clasping?
couldn't she be clasping?
couldn't we be clasping?
couldn't you be clasping?
couldn't they be clasping? 	couldn't I have clasped?
couldn't you have clasped?
couldn't she have clasped?
couldn't we have clasped?
couldn't you have clasped?
couldn't they have clasped? 	couldn't I have been clasping?
couldn't you have been clasping?
couldn't she have been clasping?
couldn't we have been clasping?
couldn't you have been clasping?
couldn't they have been clasping?