could recirculate
Verbo regular: recirculate - recirculated- recirculated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could recirculate
you could recirculate
she could recirculate
we could recirculate
you could recirculate
they could recirculate 	I could be recirculating
you could be recirculating
she could be recirculating
we could be recirculating
you could be recirculating
they could be recirculating	I could have recirculated
you could have recirculated
she could have recirculated
we could have recirculated
you could have recirculated
they could have recirculated	I could have been recirculating
you could have been recirculating
she could have been recirculating
we could have been recirculating
you could have been recirculating
they could have been recirculating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't recirculate
you couldn't recirculate
she couldn't recirculate
we couldn't recirculate
you couldn't recirculate
they couldn't recirculate 	I couldn't be recirculating
you couldn't be recirculating
she couldn't be recirculating
we couldn't be recirculating
you couldn't be recirculating
they couldn't be recirculating	I couldn't have recirculated
you couldn't have recirculated
she couldn't have recirculated
we couldn't have recirculated
you couldn't have recirculated
they couldn't have recirculated	I couldn't have been recirculating
you couldn't have been recirculating
she couldn't have been recirculating
we couldn't have been recirculating
you couldn't have been recirculating
they couldn't have been recirculating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I recirculate?
could you recirculate?
could she recirculate?
could we recirculate?
could you recirculate?
could they recirculate? 	could I be recirculating?
could you be recirculating?
could she be recirculating?
could we be recirculating?
could you be recirculating?
could they be recirculating? 	could I have recirculated?
could you have recirculated?
could she have recirculated?
could we have recirculated?
could you have recirculated?
could they have recirculated? 	could I have been recirculating?
could you have been recirculating?
could she have been recirculating?
could we have been recirculating?
could you have been recirculating?
could they have been recirculating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I recirculate?
couldn't you recirculate?
couldn't she recirculate?
couldn't we recirculate?
couldn't you recirculate?
couldn't they recirculate? 	couldn't I be recirculating?
couldn't you be recirculating?
couldn't she be recirculating?
couldn't we be recirculating?
couldn't you be recirculating?
couldn't they be recirculating? 	couldn't I have recirculated?
couldn't you have recirculated?
couldn't she have recirculated?
couldn't we have recirculated?
couldn't you have recirculated?
couldn't they have recirculated? 	couldn't I have been recirculating?
couldn't you have been recirculating?
couldn't she have been recirculating?
couldn't we have been recirculating?
couldn't you have been recirculating?
couldn't they have been recirculating?