I could lower you could lower she could lower we could lower you could lower they could lower
Forma com V-ing
I could be lowering you could be lowering she could be lowering we could be lowering you could be lowering they could be lowering
Perfeito
I could have lowered you could have lowered she could have lowered we could have lowered you could have lowered they could have lowered
Perfeito com V-ing
I could have been lowering you could have been lowering she could have been lowering we could have been lowering you could have been lowering they could have been lowering
Negação
Forma simple
I couldn't lower you couldn't lower she couldn't lower we couldn't lower you couldn't lower they couldn't lower
Forma com V-ing
I couldn't be lowering you couldn't be lowering she couldn't be lowering we couldn't be lowering you couldn't be lowering they couldn't be lowering
Perfeito
I couldn't have lowered you couldn't have lowered she couldn't have lowered we couldn't have lowered you couldn't have lowered they couldn't have lowered
Perfeito com V-ing
I couldn't have been lowering you couldn't have been lowering she couldn't have been lowering we couldn't have been lowering you couldn't have been lowering they couldn't have been lowering
Forma interrogativa
Forma simple
could I lower? could you lower? could she lower? could we lower? could you lower? could they lower?
Forma com V-ing
could I be lowering? could you be lowering? could she be lowering? could we be lowering? could you be lowering? could they be lowering?
Perfeito
could I have lowered? could you have lowered? could she have lowered? could we have lowered? could you have lowered? could they have lowered?
Perfeito com V-ing
could I have been lowering? could you have been lowering? could she have been lowering? could we have been lowering? could you have been lowering? could they have been lowering?
Forma interro-Negação
Forma simple
couldn't I lower? couldn't you lower? couldn't she lower? couldn't we lower? couldn't you lower? couldn't they lower?
Forma com V-ing
couldn't I be lowering? couldn't you be lowering? couldn't she be lowering? couldn't we be lowering? couldn't you be lowering? couldn't they be lowering?
Perfeito
couldn't I have lowered? couldn't you have lowered? couldn't she have lowered? couldn't we have lowered? couldn't you have lowered? couldn't they have lowered?
Perfeito com V-ing
couldn't I have been lowering? couldn't you have been lowering? couldn't she have been lowering? couldn't we have been lowering? couldn't you have been lowering? couldn't they have been lowering?