I must startle you must startle she must startle we must startle you must startle they must startle
Forma com V-ing
I must be startling you must be startling she must be startling we must be startling you must be startling they must be startling
Perfeito
I must have startled you must have startled she must have startled we must have startled you must have startled they must have startled
Perfeito com V-ing
I must have been startling you must have been startling she must have been startling we must have been startling you must have been startling they must have been startling
Negação
Forma simple
I must not startle you must not startle she must not startle we must not startle you must not startle they must not startle
Forma com V-ing
I must not be startling you must not be startling she must not be startling we must not be startling you must not be startling they must not be startling
Perfeito
I must not have startled you must not have startled she must not have startled we must not have startled you must not have startled they must not have startled
Perfeito com V-ing
I must not have been startling you must not have been startling she must not have been startling we must not have been startling you must not have been startling they must not have been startling
Forma interrogativa
Forma simple
must I startle? must you startle? must she startle? must we startle? must you startle? must they startle?
Forma com V-ing
must I be startling? must you be startling? must she be startling? must we be startling? must you be startling? must they be startling?
Perfeito
must I have startled? must you have startled? must she have startled? must we have startled? must you have startled? must they have startled?
Perfeito com V-ing
must I have been startling? must you have been startling? must she have been startling? must we have been startling? must you have been startling? must they have been startling?
Forma interro-Negação
Forma simple
must I not startle? must you not startle? must she not startle? must we not startle? must you not startle? must they not startle?
Forma com V-ing
must I not be startling? must you not be startling? must she not be startling? must we not be startling? must you not be startling? must they not be startling?
Perfeito
must I not have startled? must you not have startled? must she not have startled? must we not have startled? must you not have startled? must they not have startled?
Perfeito com V-ing
must I not have been startling? must you not have been startling? must she not have been startling? must we not have been startling? must you not have been startling? must they not have been startling?