must merge
Regular verb: merge - merged- merged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must merge
you must merge
she must merge
we must merge
you must merge
they must merge 	I must be merging
you must be merging
she must be merging
we must be merging
you must be merging
they must be merging	I must have merged
you must have merged
she must have merged
we must have merged
you must have merged
they must have merged	I must have been merging
you must have been merging
she must have been merging
we must have been merging
you must have been merging
they must have been merging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not merge
you must not merge
she must not merge
we must not merge
you must not merge
they must not merge 	I must not be merging
you must not be merging
she must not be merging
we must not be merging
you must not be merging
they must not be merging	I must not have merged
you must not have merged
she must not have merged
we must not have merged
you must not have merged
they must not have merged	I must not have been merging
you must not have been merging
she must not have been merging
we must not have been merging
you must not have been merging
they must not have been merging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I merge?
must you merge?
must she merge?
must we merge?
must you merge?
must they merge? 	must I be merging?
must you be merging?
must she be merging?
must we be merging?
must you be merging?
must they be merging? 	must I have merged?
must you have merged?
must she have merged?
must we have merged?
must you have merged?
must they have merged? 	must I have been merging?
must you have been merging?
must she have been merging?
must we have been merging?
must you have been merging?
must they have been merging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not merge?
must you not merge?
must she not merge?
must we not merge?
must you not merge?
must they not merge? 	must I not be merging?
must you not be merging?
must she not be merging?
must we not be merging?
must you not be merging?
must they not be merging? 	must I not have merged?
must you not have merged?
must she not have merged?
must we not have merged?
must you not have merged?
must they not have merged? 	must I not have been merging?
must you not have been merging?
must she not have been merging?
must we not have been merging?
must you not have been merging?
must they not have been merging?