could accrete
Regular verb: accrete - accreted- accreted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could accrete
you could accrete
she could accrete
we could accrete
you could accrete
they could accrete 	I could be accreting
you could be accreting
she could be accreting
we could be accreting
you could be accreting
they could be accreting	I could have accreted
you could have accreted
she could have accreted
we could have accreted
you could have accreted
they could have accreted	I could have been accreting
you could have been accreting
she could have been accreting
we could have been accreting
you could have been accreting
they could have been accreting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't accrete
you couldn't accrete
she couldn't accrete
we couldn't accrete
you couldn't accrete
they couldn't accrete 	I couldn't be accreting
you couldn't be accreting
she couldn't be accreting
we couldn't be accreting
you couldn't be accreting
they couldn't be accreting	I couldn't have accreted
you couldn't have accreted
she couldn't have accreted
we couldn't have accreted
you couldn't have accreted
they couldn't have accreted	I couldn't have been accreting
you couldn't have been accreting
she couldn't have been accreting
we couldn't have been accreting
you couldn't have been accreting
they couldn't have been accreting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I accrete?
could you accrete?
could she accrete?
could we accrete?
could you accrete?
could they accrete? 	could I be accreting?
could you be accreting?
could she be accreting?
could we be accreting?
could you be accreting?
could they be accreting? 	could I have accreted?
could you have accreted?
could she have accreted?
could we have accreted?
could you have accreted?
could they have accreted? 	could I have been accreting?
could you have been accreting?
could she have been accreting?
could we have been accreting?
could you have been accreting?
could they have been accreting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I accrete?
couldn't you accrete?
couldn't she accrete?
couldn't we accrete?
couldn't you accrete?
couldn't they accrete? 	couldn't I be accreting?
couldn't you be accreting?
couldn't she be accreting?
couldn't we be accreting?
couldn't you be accreting?
couldn't they be accreting? 	couldn't I have accreted?
couldn't you have accreted?
couldn't she have accreted?
couldn't we have accreted?
couldn't you have accreted?
couldn't they have accreted? 	couldn't I have been accreting?
couldn't you have been accreting?
couldn't she have been accreting?
couldn't we have been accreting?
couldn't you have been accreting?
couldn't they have been accreting?