must acclimate
Regular verb: acclimate - acclimated- acclimated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must acclimate
you must acclimate
he must acclimate
we must acclimate
you must acclimate
they must acclimate 	I must be acclimating
you must be acclimating
he must be acclimating
we must be acclimating
you must be acclimating
they must be acclimating	I must have acclimated
you must have acclimated
he must have acclimated
we must have acclimated
you must have acclimated
they must have acclimated	I must have been acclimating
you must have been acclimating
he must have been acclimating
we must have been acclimating
you must have been acclimating
they must have been acclimating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not acclimate
you must not acclimate
he must not acclimate
we must not acclimate
you must not acclimate
they must not acclimate 	I must not be acclimating
you must not be acclimating
he must not be acclimating
we must not be acclimating
you must not be acclimating
they must not be acclimating	I must not have acclimated
you must not have acclimated
he must not have acclimated
we must not have acclimated
you must not have acclimated
they must not have acclimated	I must not have been acclimating
you must not have been acclimating
he must not have been acclimating
we must not have been acclimating
you must not have been acclimating
they must not have been acclimating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I acclimate?
must you acclimate?
must he acclimate?
must we acclimate?
must you acclimate?
must they acclimate? 	must I be acclimating?
must you be acclimating?
must he be acclimating?
must we be acclimating?
must you be acclimating?
must they be acclimating? 	must I have acclimated?
must you have acclimated?
must he have acclimated?
must we have acclimated?
must you have acclimated?
must they have acclimated? 	must I have been acclimating?
must you have been acclimating?
must he have been acclimating?
must we have been acclimating?
must you have been acclimating?
must they have been acclimating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not acclimate?
must you not acclimate?
must he not acclimate?
must we not acclimate?
must you not acclimate?
must they not acclimate? 	must I not be acclimating?
must you not be acclimating?
must he not be acclimating?
must we not be acclimating?
must you not be acclimating?
must they not be acclimating? 	must I not have acclimated?
must you not have acclimated?
must he not have acclimated?
must we not have acclimated?
must you not have acclimated?
must they not have acclimated? 	must I not have been acclimating?
must you not have been acclimating?
must he not have been acclimating?
must we not have been acclimating?
must you not have been acclimating?
must they not have been acclimating?