Conjugação do verbo inglês
COULD PERPETUATE

Verbo regular: perpetuate - perpetuated - perpetuated

Afirmação

Forma simple	Forma com V-ing
I could perpetuate you could perpetuate he could perpetuate we could perpetuate you could perpetuate they could perpetuate	I could be perpetuating you could be perpetuating he could be perpetuating we could be perpetuating you could be perpetuating they could be perpetuating
Perfeito	Perfeito com V-ing
I could have perpetuated you could have perpetuated he could have perpetuated we could have perpetuated you could have perpetuated they could have perpetuated	I could have been perpetuating you could have been perpetuating he could have been perpetuating we could have been perpetuating you could have been perpetuating they could have been perpetuating

Negação

Forma simple	Forma com V-ing
I couldn't perpetuate you couldn't perpetuate he couldn't perpetuate we couldn't perpetuate you couldn't perpetuate they couldn't perpetuate	I couldn't be perpetuating you couldn't be perpetuating he couldn't be perpetuating we couldn't be perpetuating you couldn't be perpetuating they couldn't be perpetuating
Perfeito	Perfeito com V-ing
I couldn't have perpetuated you couldn't have perpetuated he couldn't have perpetuated we couldn't have perpetuated you couldn't have perpetuated they couldn't have perpetuated	I couldn't have been perpetuating you couldn't have been perpetuating he couldn't have been perpetuating we couldn't have been perpetuating you couldn't have been perpetuating they couldn't have been perpetuating

Forma interrogativa

Forma simple	Forma com V-ing
could I perpetuate? could you perpetuate? could he perpetuate? could we perpetuate? could you perpetuate? could they perpetuate?	could I be perpetuating? could you be perpetuating? could he be perpetuating? could we be perpetuating? could you be perpetuating? could they be perpetuating?
Perfeito	Perfeito com V-ing
could I have perpetuated? could you have perpetuated? could he have perpetuated? could we have perpetuated? could you have perpetuated? could they have perpetuated?	could I have been perpetuating? could you have been perpetuating? could he have been perpetuating? could we have been perpetuating? could you have been perpetuating? could they have been perpetuating?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I perpetuate? couldn't you perpetuate? couldn't he perpetuate? couldn't we perpetuate? couldn't you perpetuate? couldn't they perpetuate?	couldn't I be perpetuating? couldn't you be perpetuating? couldn't he be perpetuating? couldn't we be perpetuating? couldn't you be perpetuating? couldn't they be perpetuating?
Perfeito	Perfeito com V-ing
couldn't I have perpetuated? couldn't you have perpetuated? couldn't he have perpetuated? couldn't we have perpetuated? couldn't you have perpetuated? couldn't they have perpetuated?	couldn't I have been perpetuating? couldn't you have been perpetuating? couldn't he have been perpetuating? couldn't we have been perpetuating? couldn't you have been perpetuating? couldn't they have been perpetuating?