Cuidado, este verbo pode não existir, a conjugação é dada como exemplo.
Afirmação
Forma simple
I could cover up you could cover up he could cover up we could cover up you could cover up they could cover up
Forma com V-ing
I could be cover uping you could be cover uping he could be cover uping we could be cover uping you could be cover uping they could be cover uping
Perfeito
I could have cover uped you could have cover uped he could have cover uped we could have cover uped you could have cover uped they could have cover uped
Perfeito com V-ing
I could have been cover uping you could have been cover uping he could have been cover uping we could have been cover uping you could have been cover uping they could have been cover uping
Negação
Forma simple
I couldn't cover up you couldn't cover up he couldn't cover up we couldn't cover up you couldn't cover up they couldn't cover up
Forma com V-ing
I couldn't be cover uping you couldn't be cover uping he couldn't be cover uping we couldn't be cover uping you couldn't be cover uping they couldn't be cover uping
Perfeito
I couldn't have cover uped you couldn't have cover uped he couldn't have cover uped we couldn't have cover uped you couldn't have cover uped they couldn't have cover uped
Perfeito com V-ing
I couldn't have been cover uping you couldn't have been cover uping he couldn't have been cover uping we couldn't have been cover uping you couldn't have been cover uping they couldn't have been cover uping
Forma interrogativa
Forma simple
could I cover up? could you cover up? could he cover up? could we cover up? could you cover up? could they cover up?
Forma com V-ing
could I be cover uping? could you be cover uping? could he be cover uping? could we be cover uping? could you be cover uping? could they be cover uping?
Perfeito
could I have cover uped? could you have cover uped? could he have cover uped? could we have cover uped? could you have cover uped? could they have cover uped?
Perfeito com V-ing
could I have been cover uping? could you have been cover uping? could he have been cover uping? could we have been cover uping? could you have been cover uping? could they have been cover uping?
Forma interro-Negação
Forma simple
couldn't I cover up? couldn't you cover up? couldn't he cover up? couldn't we cover up? couldn't you cover up? couldn't they cover up?
Forma com V-ing
couldn't I be cover uping? couldn't you be cover uping? couldn't he be cover uping? couldn't we be cover uping? couldn't you be cover uping? couldn't they be cover uping?
Perfeito
couldn't I have cover uped? couldn't you have cover uped? couldn't he have cover uped? couldn't we have cover uped? couldn't you have cover uped? couldn't they have cover uped?
Perfeito com V-ing
couldn't I have been cover uping? couldn't you have been cover uping? couldn't he have been cover uping? couldn't we have been cover uping? couldn't you have been cover uping? couldn't they have been cover uping?