could caulk
Verbo regular: caulk - caulked- caulked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could caulk
you could caulk
he could caulk
we could caulk
you could caulk
they could caulk 	I could be caulking
you could be caulking
he could be caulking
we could be caulking
you could be caulking
they could be caulking	I could have caulked
you could have caulked
he could have caulked
we could have caulked
you could have caulked
they could have caulked	I could have been caulking
you could have been caulking
he could have been caulking
we could have been caulking
you could have been caulking
they could have been caulking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't caulk
you couldn't caulk
he couldn't caulk
we couldn't caulk
you couldn't caulk
they couldn't caulk 	I couldn't be caulking
you couldn't be caulking
he couldn't be caulking
we couldn't be caulking
you couldn't be caulking
they couldn't be caulking	I couldn't have caulked
you couldn't have caulked
he couldn't have caulked
we couldn't have caulked
you couldn't have caulked
they couldn't have caulked	I couldn't have been caulking
you couldn't have been caulking
he couldn't have been caulking
we couldn't have been caulking
you couldn't have been caulking
they couldn't have been caulking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I caulk?
could you caulk?
could he caulk?
could we caulk?
could you caulk?
could they caulk? 	could I be caulking?
could you be caulking?
could he be caulking?
could we be caulking?
could you be caulking?
could they be caulking? 	could I have caulked?
could you have caulked?
could he have caulked?
could we have caulked?
could you have caulked?
could they have caulked? 	could I have been caulking?
could you have been caulking?
could he have been caulking?
could we have been caulking?
could you have been caulking?
could they have been caulking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I caulk?
couldn't you caulk?
couldn't he caulk?
couldn't we caulk?
couldn't you caulk?
couldn't they caulk? 	couldn't I be caulking?
couldn't you be caulking?
couldn't he be caulking?
couldn't we be caulking?
couldn't you be caulking?
couldn't they be caulking? 	couldn't I have caulked?
couldn't you have caulked?
couldn't he have caulked?
couldn't we have caulked?
couldn't you have caulked?
couldn't they have caulked? 	couldn't I have been caulking?
couldn't you have been caulking?
couldn't he have been caulking?
couldn't we have been caulking?
couldn't you have been caulking?
couldn't they have been caulking?