must intertwine
Regular verb: intertwine - intertwined- intertwined

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must intertwine
you must intertwine
he must intertwine
we must intertwine
you must intertwine
they must intertwine 	I must be intertwining
you must be intertwining
he must be intertwining
we must be intertwining
you must be intertwining
they must be intertwining	I must have intertwined
you must have intertwined
he must have intertwined
we must have intertwined
you must have intertwined
they must have intertwined	I must have been intertwining
you must have been intertwining
he must have been intertwining
we must have been intertwining
you must have been intertwining
they must have been intertwining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not intertwine
you must not intertwine
he must not intertwine
we must not intertwine
you must not intertwine
they must not intertwine 	I must not be intertwining
you must not be intertwining
he must not be intertwining
we must not be intertwining
you must not be intertwining
they must not be intertwining	I must not have intertwined
you must not have intertwined
he must not have intertwined
we must not have intertwined
you must not have intertwined
they must not have intertwined	I must not have been intertwining
you must not have been intertwining
he must not have been intertwining
we must not have been intertwining
you must not have been intertwining
they must not have been intertwining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I intertwine?
must you intertwine?
must he intertwine?
must we intertwine?
must you intertwine?
must they intertwine? 	must I be intertwining?
must you be intertwining?
must he be intertwining?
must we be intertwining?
must you be intertwining?
must they be intertwining? 	must I have intertwined?
must you have intertwined?
must he have intertwined?
must we have intertwined?
must you have intertwined?
must they have intertwined? 	must I have been intertwining?
must you have been intertwining?
must he have been intertwining?
must we have been intertwining?
must you have been intertwining?
must they have been intertwining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not intertwine?
must you not intertwine?
must he not intertwine?
must we not intertwine?
must you not intertwine?
must they not intertwine? 	must I not be intertwining?
must you not be intertwining?
must he not be intertwining?
must we not be intertwining?
must you not be intertwining?
must they not be intertwining? 	must I not have intertwined?
must you not have intertwined?
must he not have intertwined?
must we not have intertwined?
must you not have intertwined?
must they not have intertwined? 	must I not have been intertwining?
must you not have been intertwining?
must he not have been intertwining?
must we not have been intertwining?
must you not have been intertwining?
must they not have been intertwining?