must summarize
Regular verb: summarize - summarized- summarized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must summarize
you must summarize
she must summarize
we must summarize
you must summarize
they must summarize 	I must be summarizing
you must be summarizing
she must be summarizing
we must be summarizing
you must be summarizing
they must be summarizing	I must have summarized
you must have summarized
she must have summarized
we must have summarized
you must have summarized
they must have summarized	I must have been summarizing
you must have been summarizing
she must have been summarizing
we must have been summarizing
you must have been summarizing
they must have been summarizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not summarize
you must not summarize
she must not summarize
we must not summarize
you must not summarize
they must not summarize 	I must not be summarizing
you must not be summarizing
she must not be summarizing
we must not be summarizing
you must not be summarizing
they must not be summarizing	I must not have summarized
you must not have summarized
she must not have summarized
we must not have summarized
you must not have summarized
they must not have summarized	I must not have been summarizing
you must not have been summarizing
she must not have been summarizing
we must not have been summarizing
you must not have been summarizing
they must not have been summarizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I summarize?
must you summarize?
must she summarize?
must we summarize?
must you summarize?
must they summarize? 	must I be summarizing?
must you be summarizing?
must she be summarizing?
must we be summarizing?
must you be summarizing?
must they be summarizing? 	must I have summarized?
must you have summarized?
must she have summarized?
must we have summarized?
must you have summarized?
must they have summarized? 	must I have been summarizing?
must you have been summarizing?
must she have been summarizing?
must we have been summarizing?
must you have been summarizing?
must they have been summarizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not summarize?
must you not summarize?
must she not summarize?
must we not summarize?
must you not summarize?
must they not summarize? 	must I not be summarizing?
must you not be summarizing?
must she not be summarizing?
must we not be summarizing?
must you not be summarizing?
must they not be summarizing? 	must I not have summarized?
must you not have summarized?
must she not have summarized?
must we not have summarized?
must you not have summarized?
must they not have summarized? 	must I not have been summarizing?
must you not have been summarizing?
must she not have been summarizing?
must we not have been summarizing?
must you not have been summarizing?
must they not have been summarizing?