may constringe
Regular verb: constringe - constringed- constringed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may constringe
you may constringe
he may constringe
we may constringe
you may constringe
they may constringe 	I may be constringing
you may be constringing
he may be constringing
we may be constringing
you may be constringing
they may be constringing	I may have constringed
you may have constringed
he may have constringed
we may have constringed
you may have constringed
they may have constringed	I may have been constringing
you may have been constringing
he may have been constringing
we may have been constringing
you may have been constringing
they may have been constringing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't constringe
you mayn't constringe
he mayn't constringe
we mayn't constringe
you mayn't constringe
they mayn't constringe 	I mayn't be constringing
you mayn't be constringing
he mayn't be constringing
we mayn't be constringing
you mayn't be constringing
they mayn't be constringing	I mayn't have constringed
you mayn't have constringed
he mayn't have constringed
we mayn't have constringed
you mayn't have constringed
they mayn't have constringed	I mayn't have been constringing
you mayn't have been constringing
he mayn't have been constringing
we mayn't have been constringing
you mayn't have been constringing
they mayn't have been constringing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I constringe?
may you constringe?
may he constringe?
may we constringe?
may you constringe?
may they constringe? 	may I be constringing?
may you be constringing?
may he be constringing?
may we be constringing?
may you be constringing?
may they be constringing? 	may I have constringed?
may you have constringed?
may he have constringed?
may we have constringed?
may you have constringed?
may they have constringed? 	may I have been constringing?
may you have been constringing?
may he have been constringing?
may we have been constringing?
may you have been constringing?
may they have been constringing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I constringe?
mayn't you constringe?
mayn't he constringe?
mayn't we constringe?
mayn't you constringe?
mayn't they constringe? 	mayn't I be constringing?
mayn't you be constringing?
mayn't he be constringing?
mayn't we be constringing?
mayn't you be constringing?
mayn't they be constringing? 	mayn't I have constringed?
mayn't you have constringed?
mayn't he have constringed?
mayn't we have constringed?
mayn't you have constringed?
mayn't they have constringed? 	mayn't I have been constringing?
mayn't you have been constringing?
mayn't he have been constringing?
mayn't we have been constringing?
mayn't you have been constringing?
mayn't they have been constringing?