Conjugação do verbo inglês
COULD PRETREAT

Verbo regular: pretreat - pretreated - pretreated

Afirmação

Forma simple	Forma com V-ing
I could pretreat you could pretreat she could pretreat we could pretreat you could pretreat they could pretreat	I could be pretreating you could be pretreating she could be pretreating we could be pretreating you could be pretreating they could be pretreating
Perfeito	Perfeito com V-ing
I could have pretreated you could have pretreated she could have pretreated we could have pretreated you could have pretreated they could have pretreated	I could have been pretreating you could have been pretreating she could have been pretreating we could have been pretreating you could have been pretreating they could have been pretreating

Negação

Forma simple	Forma com V-ing
I couldn't pretreat you couldn't pretreat she couldn't pretreat we couldn't pretreat you couldn't pretreat they couldn't pretreat	I couldn't be pretreating you couldn't be pretreating she couldn't be pretreating we couldn't be pretreating you couldn't be pretreating they couldn't be pretreating
Perfeito	Perfeito com V-ing
I couldn't have pretreated you couldn't have pretreated she couldn't have pretreated we couldn't have pretreated you couldn't have pretreated they couldn't have pretreated	I couldn't have been pretreating you couldn't have been pretreating she couldn't have been pretreating we couldn't have been pretreating you couldn't have been pretreating they couldn't have been pretreating

Forma interrogativa

Forma simple	Forma com V-ing
could I pretreat? could you pretreat? could she pretreat? could we pretreat? could you pretreat? could they pretreat?	could I be pretreating? could you be pretreating? could she be pretreating? could we be pretreating? could you be pretreating? could they be pretreating?
Perfeito	Perfeito com V-ing
could I have pretreated? could you have pretreated? could she have pretreated? could we have pretreated? could you have pretreated? could they have pretreated?	could I have been pretreating? could you have been pretreating? could she have been pretreating? could we have been pretreating? could you have been pretreating? could they have been pretreating?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I pretreat? couldn't you pretreat? couldn't she pretreat? couldn't we pretreat? couldn't you pretreat? couldn't they pretreat?	couldn't I be pretreating? couldn't you be pretreating? couldn't she be pretreating? couldn't we be pretreating? couldn't you be pretreating? couldn't they be pretreating?
Perfeito	Perfeito com V-ing
couldn't I have pretreated? couldn't you have pretreated? couldn't she have pretreated? couldn't we have pretreated? couldn't you have pretreated? couldn't they have pretreated?	couldn't I have been pretreating? couldn't you have been pretreating? couldn't she have been pretreating? couldn't we have been pretreating? couldn't you have been pretreating? couldn't they have been pretreating?