Conjugação do verbo inglês
COULD BOAST

Verbo regular: boast - boasted - boasted

Afirmação

Forma simple	Forma com V-ing
I could boast you could boast she could boast we could boast you could boast they could boast	I could be boasting you could be boasting she could be boasting we could be boasting you could be boasting they could be boasting
Perfeito	Perfeito com V-ing
I could have boasted you could have boasted she could have boasted we could have boasted you could have boasted they could have boasted	I could have been boasting you could have been boasting she could have been boasting we could have been boasting you could have been boasting they could have been boasting

Negação

Forma simple	Forma com V-ing
I couldn't boast you couldn't boast she couldn't boast we couldn't boast you couldn't boast they couldn't boast	I couldn't be boasting you couldn't be boasting she couldn't be boasting we couldn't be boasting you couldn't be boasting they couldn't be boasting
Perfeito	Perfeito com V-ing
I couldn't have boasted you couldn't have boasted she couldn't have boasted we couldn't have boasted you couldn't have boasted they couldn't have boasted	I couldn't have been boasting you couldn't have been boasting she couldn't have been boasting we couldn't have been boasting you couldn't have been boasting they couldn't have been boasting

Forma interrogativa

Forma simple	Forma com V-ing
could I boast? could you boast? could she boast? could we boast? could you boast? could they boast?	could I be boasting? could you be boasting? could she be boasting? could we be boasting? could you be boasting? could they be boasting?
Perfeito	Perfeito com V-ing
could I have boasted? could you have boasted? could she have boasted? could we have boasted? could you have boasted? could they have boasted?	could I have been boasting? could you have been boasting? could she have been boasting? could we have been boasting? could you have been boasting? could they have been boasting?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I boast? couldn't you boast? couldn't she boast? couldn't we boast? couldn't you boast? couldn't they boast?	couldn't I be boasting? couldn't you be boasting? couldn't she be boasting? couldn't we be boasting? couldn't you be boasting? couldn't they be boasting?
Perfeito	Perfeito com V-ing
couldn't I have boasted? couldn't you have boasted? couldn't she have boasted? couldn't we have boasted? couldn't you have boasted? couldn't they have boasted?	couldn't I have been boasting? couldn't you have been boasting? couldn't she have been boasting? couldn't we have been boasting? couldn't you have been boasting? couldn't they have been boasting?