must intubate
Regular verb: intubate - intubated- intubated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must intubate
you must intubate
he must intubate
we must intubate
you must intubate
they must intubate 	I must be intubating
you must be intubating
he must be intubating
we must be intubating
you must be intubating
they must be intubating	I must have intubated
you must have intubated
he must have intubated
we must have intubated
you must have intubated
they must have intubated	I must have been intubating
you must have been intubating
he must have been intubating
we must have been intubating
you must have been intubating
they must have been intubating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not intubate
you must not intubate
he must not intubate
we must not intubate
you must not intubate
they must not intubate 	I must not be intubating
you must not be intubating
he must not be intubating
we must not be intubating
you must not be intubating
they must not be intubating	I must not have intubated
you must not have intubated
he must not have intubated
we must not have intubated
you must not have intubated
they must not have intubated	I must not have been intubating
you must not have been intubating
he must not have been intubating
we must not have been intubating
you must not have been intubating
they must not have been intubating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I intubate?
must you intubate?
must he intubate?
must we intubate?
must you intubate?
must they intubate? 	must I be intubating?
must you be intubating?
must he be intubating?
must we be intubating?
must you be intubating?
must they be intubating? 	must I have intubated?
must you have intubated?
must he have intubated?
must we have intubated?
must you have intubated?
must they have intubated? 	must I have been intubating?
must you have been intubating?
must he have been intubating?
must we have been intubating?
must you have been intubating?
must they have been intubating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not intubate?
must you not intubate?
must he not intubate?
must we not intubate?
must you not intubate?
must they not intubate? 	must I not be intubating?
must you not be intubating?
must he not be intubating?
must we not be intubating?
must you not be intubating?
must they not be intubating? 	must I not have intubated?
must you not have intubated?
must he not have intubated?
must we not have intubated?
must you not have intubated?
must they not have intubated? 	must I not have been intubating?
must you not have been intubating?
must he not have been intubating?
must we not have been intubating?
must you not have been intubating?
must they not have been intubating?