English verb conjugation
MUST ASTOUND

Regular verb: astound - astounded - astounded

Affirmation

Simple form	V-ing form
I must astound you must astound she must astound we must astound you must astound they must astound	I must be astounding you must be astounding she must be astounding we must be astounding you must be astounding they must be astounding
Perfect	V-ing perfect
I must have astounded you must have astounded she must have astounded we must have astounded you must have astounded they must have astounded	I must have been astounding you must have been astounding she must have been astounding we must have been astounding you must have been astounding they must have been astounding

Negation

Simple form	V-ing form
I must not astound you must not astound she must not astound we must not astound you must not astound they must not astound	I must not be astounding you must not be astounding she must not be astounding we must not be astounding you must not be astounding they must not be astounding
Perfect	V-ing perfect
I must not have astounded you must not have astounded she must not have astounded we must not have astounded you must not have astounded they must not have astounded	I must not have been astounding you must not have been astounding she must not have been astounding we must not have been astounding you must not have been astounding they must not have been astounding

Interrogative form

Simple form	V-ing form
must I astound? must you astound? must she astound? must we astound? must you astound? must they astound?	must I be astounding? must you be astounding? must she be astounding? must we be astounding? must you be astounding? must they be astounding?
Perfect	V-ing perfect
must I have astounded? must you have astounded? must she have astounded? must we have astounded? must you have astounded? must they have astounded?	must I have been astounding? must you have been astounding? must she have been astounding? must we have been astounding? must you have been astounding? must they have been astounding?

Interro-negative form

Simple form	V-ing form
must I not astound? must you not astound? must she not astound? must we not astound? must you not astound? must they not astound?	must I not be astounding? must you not be astounding? must she not be astounding? must we not be astounding? must you not be astounding? must they not be astounding?
Perfect	V-ing perfect
must I not have astounded? must you not have astounded? must she not have astounded? must we not have astounded? must you not have astounded? must they not have astounded?	must I not have been astounding? must you not have been astounding? must she not have been astounding? must we not have been astounding? must you not have been astounding? must they not have been astounding?