must boat
Regular verb: boat - boated- boated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must boat
you must boat
he must boat
we must boat
you must boat
they must boat 	I must be boating
you must be boating
he must be boating
we must be boating
you must be boating
they must be boating	I must have boated
you must have boated
he must have boated
we must have boated
you must have boated
they must have boated	I must have been boating
you must have been boating
he must have been boating
we must have been boating
you must have been boating
they must have been boating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not boat
you must not boat
he must not boat
we must not boat
you must not boat
they must not boat 	I must not be boating
you must not be boating
he must not be boating
we must not be boating
you must not be boating
they must not be boating	I must not have boated
you must not have boated
he must not have boated
we must not have boated
you must not have boated
they must not have boated	I must not have been boating
you must not have been boating
he must not have been boating
we must not have been boating
you must not have been boating
they must not have been boating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I boat?
must you boat?
must he boat?
must we boat?
must you boat?
must they boat? 	must I be boating?
must you be boating?
must he be boating?
must we be boating?
must you be boating?
must they be boating? 	must I have boated?
must you have boated?
must he have boated?
must we have boated?
must you have boated?
must they have boated? 	must I have been boating?
must you have been boating?
must he have been boating?
must we have been boating?
must you have been boating?
must they have been boating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not boat?
must you not boat?
must he not boat?
must we not boat?
must you not boat?
must they not boat? 	must I not be boating?
must you not be boating?
must he not be boating?
must we not be boating?
must you not be boating?
must they not be boating? 	must I not have boated?
must you not have boated?
must he not have boated?
must we not have boated?
must you not have boated?
must they not have boated? 	must I not have been boating?
must you not have been boating?
must he not have been boating?
must we not have been boating?
must you not have been boating?
must they not have been boating?