English verb conjugation
MUST PEEK

Regular verb: peek - peeked - peeked

Affirmation

Simple form	V-ing form
I must peek you must peek he must peek we must peek you must peek they must peek	I must be peeking you must be peeking he must be peeking we must be peeking you must be peeking they must be peeking
Perfect	V-ing perfect
I must have peeked you must have peeked he must have peeked we must have peeked you must have peeked they must have peeked	I must have been peeking you must have been peeking he must have been peeking we must have been peeking you must have been peeking they must have been peeking

Negation

Simple form	V-ing form
I must not peek you must not peek he must not peek we must not peek you must not peek they must not peek	I must not be peeking you must not be peeking he must not be peeking we must not be peeking you must not be peeking they must not be peeking
Perfect	V-ing perfect
I must not have peeked you must not have peeked he must not have peeked we must not have peeked you must not have peeked they must not have peeked	I must not have been peeking you must not have been peeking he must not have been peeking we must not have been peeking you must not have been peeking they must not have been peeking

Interrogative form

Simple form	V-ing form
must I peek? must you peek? must he peek? must we peek? must you peek? must they peek?	must I be peeking? must you be peeking? must he be peeking? must we be peeking? must you be peeking? must they be peeking?
Perfect	V-ing perfect
must I have peeked? must you have peeked? must he have peeked? must we have peeked? must you have peeked? must they have peeked?	must I have been peeking? must you have been peeking? must he have been peeking? must we have been peeking? must you have been peeking? must they have been peeking?

Interro-negative form

Simple form	V-ing form
must I not peek? must you not peek? must he not peek? must we not peek? must you not peek? must they not peek?	must I not be peeking? must you not be peeking? must he not be peeking? must we not be peeking? must you not be peeking? must they not be peeking?
Perfect	V-ing perfect
must I not have peeked? must you not have peeked? must he not have peeked? must we not have peeked? must you not have peeked? must they not have peeked?	must I not have been peeking? must you not have been peeking? must he not have been peeking? must we not have been peeking? must you not have been peeking? must they not have been peeking?