may clog
Regular verb: clog - clogged- clogged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may clog
you may clog
he may clog
we may clog
you may clog
they may clog 	I may be clogging
you may be clogging
he may be clogging
we may be clogging
you may be clogging
they may be clogging	I may have clogged
you may have clogged
he may have clogged
we may have clogged
you may have clogged
they may have clogged	I may have been clogging
you may have been clogging
he may have been clogging
we may have been clogging
you may have been clogging
they may have been clogging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't clog
you mayn't clog
he mayn't clog
we mayn't clog
you mayn't clog
they mayn't clog 	I mayn't be clogging
you mayn't be clogging
he mayn't be clogging
we mayn't be clogging
you mayn't be clogging
they mayn't be clogging	I mayn't have clogged
you mayn't have clogged
he mayn't have clogged
we mayn't have clogged
you mayn't have clogged
they mayn't have clogged	I mayn't have been clogging
you mayn't have been clogging
he mayn't have been clogging
we mayn't have been clogging
you mayn't have been clogging
they mayn't have been clogging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I clog?
may you clog?
may he clog?
may we clog?
may you clog?
may they clog? 	may I be clogging?
may you be clogging?
may he be clogging?
may we be clogging?
may you be clogging?
may they be clogging? 	may I have clogged?
may you have clogged?
may he have clogged?
may we have clogged?
may you have clogged?
may they have clogged? 	may I have been clogging?
may you have been clogging?
may he have been clogging?
may we have been clogging?
may you have been clogging?
may they have been clogging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I clog?
mayn't you clog?
mayn't he clog?
mayn't we clog?
mayn't you clog?
mayn't they clog? 	mayn't I be clogging?
mayn't you be clogging?
mayn't he be clogging?
mayn't we be clogging?
mayn't you be clogging?
mayn't they be clogging? 	mayn't I have clogged?
mayn't you have clogged?
mayn't he have clogged?
mayn't we have clogged?
mayn't you have clogged?
mayn't they have clogged? 	mayn't I have been clogging?
mayn't you have been clogging?
mayn't he have been clogging?
mayn't we have been clogging?
mayn't you have been clogging?
mayn't they have been clogging?