Conjugação do verbo inglês
MUST BIRL

Verbo regular: birl - birled - birled

Afirmação

Forma simple	Forma com V-ing
I must birl you must birl she must birl we must birl you must birl they must birl	I must be birling you must be birling she must be birling we must be birling you must be birling they must be birling
Perfeito	Perfeito com V-ing
I must have birled you must have birled she must have birled we must have birled you must have birled they must have birled	I must have been birling you must have been birling she must have been birling we must have been birling you must have been birling they must have been birling

Negação

Forma simple	Forma com V-ing
I must not birl you must not birl she must not birl we must not birl you must not birl they must not birl	I must not be birling you must not be birling she must not be birling we must not be birling you must not be birling they must not be birling
Perfeito	Perfeito com V-ing
I must not have birled you must not have birled she must not have birled we must not have birled you must not have birled they must not have birled	I must not have been birling you must not have been birling she must not have been birling we must not have been birling you must not have been birling they must not have been birling

Forma interrogativa

Forma simple	Forma com V-ing
must I birl? must you birl? must she birl? must we birl? must you birl? must they birl?	must I be birling? must you be birling? must she be birling? must we be birling? must you be birling? must they be birling?
Perfeito	Perfeito com V-ing
must I have birled? must you have birled? must she have birled? must we have birled? must you have birled? must they have birled?	must I have been birling? must you have been birling? must she have been birling? must we have been birling? must you have been birling? must they have been birling?

Forma interro-Negação

Forma simple	Forma com V-ing
must I not birl? must you not birl? must she not birl? must we not birl? must you not birl? must they not birl?	must I not be birling? must you not be birling? must she not be birling? must we not be birling? must you not be birling? must they not be birling?
Perfeito	Perfeito com V-ing
must I not have birled? must you not have birled? must she not have birled? must we not have birled? must you not have birled? must they not have birled?	must I not have been birling? must you not have been birling? must she not have been birling? must we not have been birling? must you not have been birling? must they not have been birling?