must coat
Regular verb: coat - coated- coated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must coat
you must coat
she must coat
we must coat
you must coat
they must coat 	I must be coating
you must be coating
she must be coating
we must be coating
you must be coating
they must be coating	I must have coated
you must have coated
she must have coated
we must have coated
you must have coated
they must have coated	I must have been coating
you must have been coating
she must have been coating
we must have been coating
you must have been coating
they must have been coating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not coat
you must not coat
she must not coat
we must not coat
you must not coat
they must not coat 	I must not be coating
you must not be coating
she must not be coating
we must not be coating
you must not be coating
they must not be coating	I must not have coated
you must not have coated
she must not have coated
we must not have coated
you must not have coated
they must not have coated	I must not have been coating
you must not have been coating
she must not have been coating
we must not have been coating
you must not have been coating
they must not have been coating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I coat?
must you coat?
must she coat?
must we coat?
must you coat?
must they coat? 	must I be coating?
must you be coating?
must she be coating?
must we be coating?
must you be coating?
must they be coating? 	must I have coated?
must you have coated?
must she have coated?
must we have coated?
must you have coated?
must they have coated? 	must I have been coating?
must you have been coating?
must she have been coating?
must we have been coating?
must you have been coating?
must they have been coating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not coat?
must you not coat?
must she not coat?
must we not coat?
must you not coat?
must they not coat? 	must I not be coating?
must you not be coating?
must she not be coating?
must we not be coating?
must you not be coating?
must they not be coating? 	must I not have coated?
must you not have coated?
must she not have coated?
must we not have coated?
must you not have coated?
must they not have coated? 	must I not have been coating?
must you not have been coating?
must she not have been coating?
must we not have been coating?
must you not have been coating?
must they not have been coating?