Conjugação do verbo inglês
COULD ANTIQUATE

Verbo regular: antiquate - antiquated - antiquated

Afirmação

Forma simple	Forma com V-ing
I could antiquate you could antiquate she could antiquate we could antiquate you could antiquate they could antiquate	I could be antiquating you could be antiquating she could be antiquating we could be antiquating you could be antiquating they could be antiquating
Perfeito	Perfeito com V-ing
I could have antiquated you could have antiquated she could have antiquated we could have antiquated you could have antiquated they could have antiquated	I could have been antiquating you could have been antiquating she could have been antiquating we could have been antiquating you could have been antiquating they could have been antiquating

Negação

Forma simple	Forma com V-ing
I couldn't antiquate you couldn't antiquate she couldn't antiquate we couldn't antiquate you couldn't antiquate they couldn't antiquate	I couldn't be antiquating you couldn't be antiquating she couldn't be antiquating we couldn't be antiquating you couldn't be antiquating they couldn't be antiquating
Perfeito	Perfeito com V-ing
I couldn't have antiquated you couldn't have antiquated she couldn't have antiquated we couldn't have antiquated you couldn't have antiquated they couldn't have antiquated	I couldn't have been antiquating you couldn't have been antiquating she couldn't have been antiquating we couldn't have been antiquating you couldn't have been antiquating they couldn't have been antiquating

Forma interrogativa

Forma simple	Forma com V-ing
could I antiquate? could you antiquate? could she antiquate? could we antiquate? could you antiquate? could they antiquate?	could I be antiquating? could you be antiquating? could she be antiquating? could we be antiquating? could you be antiquating? could they be antiquating?
Perfeito	Perfeito com V-ing
could I have antiquated? could you have antiquated? could she have antiquated? could we have antiquated? could you have antiquated? could they have antiquated?	could I have been antiquating? could you have been antiquating? could she have been antiquating? could we have been antiquating? could you have been antiquating? could they have been antiquating?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I antiquate? couldn't you antiquate? couldn't she antiquate? couldn't we antiquate? couldn't you antiquate? couldn't they antiquate?	couldn't I be antiquating? couldn't you be antiquating? couldn't she be antiquating? couldn't we be antiquating? couldn't you be antiquating? couldn't they be antiquating?
Perfeito	Perfeito com V-ing
couldn't I have antiquated? couldn't you have antiquated? couldn't she have antiquated? couldn't we have antiquated? couldn't you have antiquated? couldn't they have antiquated?	couldn't I have been antiquating? couldn't you have been antiquating? couldn't she have been antiquating? couldn't we have been antiquating? couldn't you have been antiquating? couldn't they have been antiquating?