Conjugação do verbo inglês
COULD STRUM

Verbo regular: strum - strummed - strummed

Afirmação

Forma simple	Forma com V-ing
I could strum you could strum she could strum we could strum you could strum they could strum	I could be strumming you could be strumming she could be strumming we could be strumming you could be strumming they could be strumming
Perfeito	Perfeito com V-ing
I could have strummed you could have strummed she could have strummed we could have strummed you could have strummed they could have strummed	I could have been strumming you could have been strumming she could have been strumming we could have been strumming you could have been strumming they could have been strumming

Negação

Forma simple	Forma com V-ing
I couldn't strum you couldn't strum she couldn't strum we couldn't strum you couldn't strum they couldn't strum	I couldn't be strumming you couldn't be strumming she couldn't be strumming we couldn't be strumming you couldn't be strumming they couldn't be strumming
Perfeito	Perfeito com V-ing
I couldn't have strummed you couldn't have strummed she couldn't have strummed we couldn't have strummed you couldn't have strummed they couldn't have strummed	I couldn't have been strumming you couldn't have been strumming she couldn't have been strumming we couldn't have been strumming you couldn't have been strumming they couldn't have been strumming

Forma interrogativa

Forma simple	Forma com V-ing
could I strum? could you strum? could she strum? could we strum? could you strum? could they strum?	could I be strumming? could you be strumming? could she be strumming? could we be strumming? could you be strumming? could they be strumming?
Perfeito	Perfeito com V-ing
could I have strummed? could you have strummed? could she have strummed? could we have strummed? could you have strummed? could they have strummed?	could I have been strumming? could you have been strumming? could she have been strumming? could we have been strumming? could you have been strumming? could they have been strumming?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I strum? couldn't you strum? couldn't she strum? couldn't we strum? couldn't you strum? couldn't they strum?	couldn't I be strumming? couldn't you be strumming? couldn't she be strumming? couldn't we be strumming? couldn't you be strumming? couldn't they be strumming?
Perfeito	Perfeito com V-ing
couldn't I have strummed? couldn't you have strummed? couldn't she have strummed? couldn't we have strummed? couldn't you have strummed? couldn't they have strummed?	couldn't I have been strumming? couldn't you have been strumming? couldn't she have been strumming? couldn't we have been strumming? couldn't you have been strumming? couldn't they have been strumming?