may symmetrise
Regular verb: symmetrise - symmetrised- symmetrised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may symmetrise
you may symmetrise
he may symmetrise
we may symmetrise
you may symmetrise
they may symmetrise 	I may be symmetrising
you may be symmetrising
he may be symmetrising
we may be symmetrising
you may be symmetrising
they may be symmetrising	I may have symmetrised
you may have symmetrised
he may have symmetrised
we may have symmetrised
you may have symmetrised
they may have symmetrised	I may have been symmetrising
you may have been symmetrising
he may have been symmetrising
we may have been symmetrising
you may have been symmetrising
they may have been symmetrising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't symmetrise
you mayn't symmetrise
he mayn't symmetrise
we mayn't symmetrise
you mayn't symmetrise
they mayn't symmetrise 	I mayn't be symmetrising
you mayn't be symmetrising
he mayn't be symmetrising
we mayn't be symmetrising
you mayn't be symmetrising
they mayn't be symmetrising	I mayn't have symmetrised
you mayn't have symmetrised
he mayn't have symmetrised
we mayn't have symmetrised
you mayn't have symmetrised
they mayn't have symmetrised	I mayn't have been symmetrising
you mayn't have been symmetrising
he mayn't have been symmetrising
we mayn't have been symmetrising
you mayn't have been symmetrising
they mayn't have been symmetrising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I symmetrise?
may you symmetrise?
may he symmetrise?
may we symmetrise?
may you symmetrise?
may they symmetrise? 	may I be symmetrising?
may you be symmetrising?
may he be symmetrising?
may we be symmetrising?
may you be symmetrising?
may they be symmetrising? 	may I have symmetrised?
may you have symmetrised?
may he have symmetrised?
may we have symmetrised?
may you have symmetrised?
may they have symmetrised? 	may I have been symmetrising?
may you have been symmetrising?
may he have been symmetrising?
may we have been symmetrising?
may you have been symmetrising?
may they have been symmetrising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I symmetrise?
mayn't you symmetrise?
mayn't he symmetrise?
mayn't we symmetrise?
mayn't you symmetrise?
mayn't they symmetrise? 	mayn't I be symmetrising?
mayn't you be symmetrising?
mayn't he be symmetrising?
mayn't we be symmetrising?
mayn't you be symmetrising?
mayn't they be symmetrising? 	mayn't I have symmetrised?
mayn't you have symmetrised?
mayn't he have symmetrised?
mayn't we have symmetrised?
mayn't you have symmetrised?
mayn't they have symmetrised? 	mayn't I have been symmetrising?
mayn't you have been symmetrising?
mayn't he have been symmetrising?
mayn't we have been symmetrising?
mayn't you have been symmetrising?
mayn't they have been symmetrising?