could secrete
Verbo regular: secrete - secreted- secreted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could secrete
you could secrete
he could secrete
we could secrete
you could secrete
they could secrete 	I could be secreting
you could be secreting
he could be secreting
we could be secreting
you could be secreting
they could be secreting	I could have secreted
you could have secreted
he could have secreted
we could have secreted
you could have secreted
they could have secreted	I could have been secreting
you could have been secreting
he could have been secreting
we could have been secreting
you could have been secreting
they could have been secreting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't secrete
you couldn't secrete
he couldn't secrete
we couldn't secrete
you couldn't secrete
they couldn't secrete 	I couldn't be secreting
you couldn't be secreting
he couldn't be secreting
we couldn't be secreting
you couldn't be secreting
they couldn't be secreting	I couldn't have secreted
you couldn't have secreted
he couldn't have secreted
we couldn't have secreted
you couldn't have secreted
they couldn't have secreted	I couldn't have been secreting
you couldn't have been secreting
he couldn't have been secreting
we couldn't have been secreting
you couldn't have been secreting
they couldn't have been secreting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I secrete?
could you secrete?
could he secrete?
could we secrete?
could you secrete?
could they secrete? 	could I be secreting?
could you be secreting?
could he be secreting?
could we be secreting?
could you be secreting?
could they be secreting? 	could I have secreted?
could you have secreted?
could he have secreted?
could we have secreted?
could you have secreted?
could they have secreted? 	could I have been secreting?
could you have been secreting?
could he have been secreting?
could we have been secreting?
could you have been secreting?
could they have been secreting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I secrete?
couldn't you secrete?
couldn't he secrete?
couldn't we secrete?
couldn't you secrete?
couldn't they secrete? 	couldn't I be secreting?
couldn't you be secreting?
couldn't he be secreting?
couldn't we be secreting?
couldn't you be secreting?
couldn't they be secreting? 	couldn't I have secreted?
couldn't you have secreted?
couldn't he have secreted?
couldn't we have secreted?
couldn't you have secreted?
couldn't they have secreted? 	couldn't I have been secreting?
couldn't you have been secreting?
couldn't he have been secreting?
couldn't we have been secreting?
couldn't you have been secreting?
couldn't they have been secreting?