could acquiesce
Regular verb: acquiesce - acquiesced- acquiesced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could acquiesce
you could acquiesce
she could acquiesce
we could acquiesce
you could acquiesce
they could acquiesce 	I could be acquiescing
you could be acquiescing
she could be acquiescing
we could be acquiescing
you could be acquiescing
they could be acquiescing	I could have acquiesced
you could have acquiesced
she could have acquiesced
we could have acquiesced
you could have acquiesced
they could have acquiesced	I could have been acquiescing
you could have been acquiescing
she could have been acquiescing
we could have been acquiescing
you could have been acquiescing
they could have been acquiescing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not acquiesce
you could not acquiesce
she could not acquiesce
we could not acquiesce
you could not acquiesce
they could not acquiesce 	I could not be acquiescing
you could not be acquiescing
she could not be acquiescing
we could not be acquiescing
you could not be acquiescing
they could not be acquiescing	I could not have acquiesced
you could not have acquiesced
she could not have acquiesced
we could not have acquiesced
you could not have acquiesced
they could not have acquiesced	I could not have been acquiescing
you could not have been acquiescing
she could not have been acquiescing
we could not have been acquiescing
you could not have been acquiescing
they could not have been acquiescing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I acquiesce?
could you acquiesce?
could she acquiesce?
could we acquiesce?
could you acquiesce?
could they acquiesce? 	could I be acquiescing?
could you be acquiescing?
could she be acquiescing?
could we be acquiescing?
could you be acquiescing?
could they be acquiescing? 	could I have acquiesced?
could you have acquiesced?
could she have acquiesced?
could we have acquiesced?
could you have acquiesced?
could they have acquiesced? 	could I have been acquiescing?
could you have been acquiescing?
could she have been acquiescing?
could we have been acquiescing?
could you have been acquiescing?
could they have been acquiescing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not acquiesce?
could you not acquiesce?
could she not acquiesce?
could we not acquiesce?
could you not acquiesce?
could they not acquiesce? 	could I not be acquiescing?
could you not be acquiescing?
could she not be acquiescing?
could we not be acquiescing?
could you not be acquiescing?
could they not be acquiescing? 	could I not have acquiesced?
could you not have acquiesced?
could she not have acquiesced?
could we not have acquiesced?
could you not have acquiesced?
could they not have acquiesced? 	could I not have been acquiescing?
could you not have been acquiescing?
could she not have been acquiescing?
could we not have been acquiescing?
could you not have been acquiescing?
could they not have been acquiescing?