Conjugação do verbo inglês
COULD NICTITATE

Verbo regular: nictitate - nictitated - nictitated

Afirmação

Forma simple	Forma com V-ing
I could nictitate you could nictitate he could nictitate we could nictitate you could nictitate they could nictitate	I could be nictitating you could be nictitating he could be nictitating we could be nictitating you could be nictitating they could be nictitating
Perfeito	Perfeito com V-ing
I could have nictitated you could have nictitated he could have nictitated we could have nictitated you could have nictitated they could have nictitated	I could have been nictitating you could have been nictitating he could have been nictitating we could have been nictitating you could have been nictitating they could have been nictitating

Negação

Forma simple	Forma com V-ing
I couldn't nictitate you couldn't nictitate he couldn't nictitate we couldn't nictitate you couldn't nictitate they couldn't nictitate	I couldn't be nictitating you couldn't be nictitating he couldn't be nictitating we couldn't be nictitating you couldn't be nictitating they couldn't be nictitating
Perfeito	Perfeito com V-ing
I couldn't have nictitated you couldn't have nictitated he couldn't have nictitated we couldn't have nictitated you couldn't have nictitated they couldn't have nictitated	I couldn't have been nictitating you couldn't have been nictitating he couldn't have been nictitating we couldn't have been nictitating you couldn't have been nictitating they couldn't have been nictitating

Forma interrogativa

Forma simple	Forma com V-ing
could I nictitate? could you nictitate? could he nictitate? could we nictitate? could you nictitate? could they nictitate?	could I be nictitating? could you be nictitating? could he be nictitating? could we be nictitating? could you be nictitating? could they be nictitating?
Perfeito	Perfeito com V-ing
could I have nictitated? could you have nictitated? could he have nictitated? could we have nictitated? could you have nictitated? could they have nictitated?	could I have been nictitating? could you have been nictitating? could he have been nictitating? could we have been nictitating? could you have been nictitating? could they have been nictitating?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I nictitate? couldn't you nictitate? couldn't he nictitate? couldn't we nictitate? couldn't you nictitate? couldn't they nictitate?	couldn't I be nictitating? couldn't you be nictitating? couldn't he be nictitating? couldn't we be nictitating? couldn't you be nictitating? couldn't they be nictitating?
Perfeito	Perfeito com V-ing
couldn't I have nictitated? couldn't you have nictitated? couldn't he have nictitated? couldn't we have nictitated? couldn't you have nictitated? couldn't they have nictitated?	couldn't I have been nictitating? couldn't you have been nictitating? couldn't he have been nictitating? couldn't we have been nictitating? couldn't you have been nictitating? couldn't they have been nictitating?