Verbo regular: underline - underlined - underlined
Afirmação
Forma simple
I could underline you could underline he could underline we could underline you could underline they could underline
Forma com V-ing
I could be underlining you could be underlining he could be underlining we could be underlining you could be underlining they could be underlining
Perfeito
I could have underlined you could have underlined he could have underlined we could have underlined you could have underlined they could have underlined
Perfeito com V-ing
I could have been underlining you could have been underlining he could have been underlining we could have been underlining you could have been underlining they could have been underlining
Negação
Forma simple
I couldn't underline you couldn't underline he couldn't underline we couldn't underline you couldn't underline they couldn't underline
Forma com V-ing
I couldn't be underlining you couldn't be underlining he couldn't be underlining we couldn't be underlining you couldn't be underlining they couldn't be underlining
Perfeito
I couldn't have underlined you couldn't have underlined he couldn't have underlined we couldn't have underlined you couldn't have underlined they couldn't have underlined
Perfeito com V-ing
I couldn't have been underlining you couldn't have been underlining he couldn't have been underlining we couldn't have been underlining you couldn't have been underlining they couldn't have been underlining
Forma interrogativa
Forma simple
could I underline? could you underline? could he underline? could we underline? could you underline? could they underline?
Forma com V-ing
could I be underlining? could you be underlining? could he be underlining? could we be underlining? could you be underlining? could they be underlining?
Perfeito
could I have underlined? could you have underlined? could he have underlined? could we have underlined? could you have underlined? could they have underlined?
Perfeito com V-ing
could I have been underlining? could you have been underlining? could he have been underlining? could we have been underlining? could you have been underlining? could they have been underlining?
Forma interro-Negação
Forma simple
couldn't I underline? couldn't you underline? couldn't he underline? couldn't we underline? couldn't you underline? couldn't they underline?
Forma com V-ing
couldn't I be underlining? couldn't you be underlining? couldn't he be underlining? couldn't we be underlining? couldn't you be underlining? couldn't they be underlining?
Perfeito
couldn't I have underlined? couldn't you have underlined? couldn't he have underlined? couldn't we have underlined? couldn't you have underlined? couldn't they have underlined?
Perfeito com V-ing
couldn't I have been underlining? couldn't you have been underlining? couldn't he have been underlining? couldn't we have been underlining? couldn't you have been underlining? couldn't they have been underlining?