may constringe
Regular verb: constringe - constringed- constringed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may constringe
you may constringe
she may constringe
we may constringe
you may constringe
they may constringe 	I may be constringing
you may be constringing
she may be constringing
we may be constringing
you may be constringing
they may be constringing	I may have constringed
you may have constringed
she 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
she 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
she 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
she 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
she 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
she 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 she constringe?
may we constringe?
may you constringe?
may they constringe? 	may I be constringing?
may you be constringing?
may she be constringing?
may we be constringing?
may you be constringing?
may they be constringing? 	may I have constringed?
may you have constringed?
may she 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 she 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 she 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 she 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 she 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 she have been constringing?
mayn't we have been constringing?
mayn't you have been constringing?
mayn't they have been constringing?