English verb conjugation
MUST ROAST

Regular verb: roast - roasted - roasted

Affirmation

Simple form	V-ing form
I must roast you must roast he must roast we must roast you must roast they must roast	I must be roasting you must be roasting he must be roasting we must be roasting you must be roasting they must be roasting
Perfect	V-ing perfect
I must have roasted you must have roasted he must have roasted we must have roasted you must have roasted they must have roasted	I must have been roasting you must have been roasting he must have been roasting we must have been roasting you must have been roasting they must have been roasting

Negation

Simple form	V-ing form
I must not roast you must not roast he must not roast we must not roast you must not roast they must not roast	I must not be roasting you must not be roasting he must not be roasting we must not be roasting you must not be roasting they must not be roasting
Perfect	V-ing perfect
I must not have roasted you must not have roasted he must not have roasted we must not have roasted you must not have roasted they must not have roasted	I must not have been roasting you must not have been roasting he must not have been roasting we must not have been roasting you must not have been roasting they must not have been roasting

Interrogative form

Simple form	V-ing form
must I roast? must you roast? must he roast? must we roast? must you roast? must they roast?	must I be roasting? must you be roasting? must he be roasting? must we be roasting? must you be roasting? must they be roasting?
Perfect	V-ing perfect
must I have roasted? must you have roasted? must he have roasted? must we have roasted? must you have roasted? must they have roasted?	must I have been roasting? must you have been roasting? must he have been roasting? must we have been roasting? must you have been roasting? must they have been roasting?

Interro-negative form

Simple form	V-ing form
must I not roast? must you not roast? must he not roast? must we not roast? must you not roast? must they not roast?	must I not be roasting? must you not be roasting? must he not be roasting? must we not be roasting? must you not be roasting? must they not be roasting?
Perfect	V-ing perfect
must I not have roasted? must you not have roasted? must he not have roasted? must we not have roasted? must you not have roasted? must they not have roasted?	must I not have been roasting? must you not have been roasting? must he not have been roasting? must we not have been roasting? must you not have been roasting? must they not have been roasting?