Verbo regular: vacillate - vacillated - vacillated
Afirmação
Forma simple
I could vacillate you could vacillate she could vacillate we could vacillate you could vacillate they could vacillate
Forma com V-ing
I could be vacillating you could be vacillating she could be vacillating we could be vacillating you could be vacillating they could be vacillating
Perfeito
I could have vacillated you could have vacillated she could have vacillated we could have vacillated you could have vacillated they could have vacillated
Perfeito com V-ing
I could have been vacillating you could have been vacillating she could have been vacillating we could have been vacillating you could have been vacillating they could have been vacillating
Negação
Forma simple
I couldn't vacillate you couldn't vacillate she couldn't vacillate we couldn't vacillate you couldn't vacillate they couldn't vacillate
Forma com V-ing
I couldn't be vacillating you couldn't be vacillating she couldn't be vacillating we couldn't be vacillating you couldn't be vacillating they couldn't be vacillating
Perfeito
I couldn't have vacillated you couldn't have vacillated she couldn't have vacillated we couldn't have vacillated you couldn't have vacillated they couldn't have vacillated
Perfeito com V-ing
I couldn't have been vacillating you couldn't have been vacillating she couldn't have been vacillating we couldn't have been vacillating you couldn't have been vacillating they couldn't have been vacillating
Forma interrogativa
Forma simple
could I vacillate? could you vacillate? could she vacillate? could we vacillate? could you vacillate? could they vacillate?
Forma com V-ing
could I be vacillating? could you be vacillating? could she be vacillating? could we be vacillating? could you be vacillating? could they be vacillating?
Perfeito
could I have vacillated? could you have vacillated? could she have vacillated? could we have vacillated? could you have vacillated? could they have vacillated?
Perfeito com V-ing
could I have been vacillating? could you have been vacillating? could she have been vacillating? could we have been vacillating? could you have been vacillating? could they have been vacillating?
Forma interro-Negação
Forma simple
couldn't I vacillate? couldn't you vacillate? couldn't she vacillate? couldn't we vacillate? couldn't you vacillate? couldn't they vacillate?
Forma com V-ing
couldn't I be vacillating? couldn't you be vacillating? couldn't she be vacillating? couldn't we be vacillating? couldn't you be vacillating? couldn't they be vacillating?
Perfeito
couldn't I have vacillated? couldn't you have vacillated? couldn't she have vacillated? couldn't we have vacillated? couldn't you have vacillated? couldn't they have vacillated?
Perfeito com V-ing
couldn't I have been vacillating? couldn't you have been vacillating? couldn't she have been vacillating? couldn't we have been vacillating? couldn't you have been vacillating? couldn't they have been vacillating?