English verb conjugation
MAY METATHESISE

Regular verb: metathesise - metathesised - metathesised

Affirmation

Simple form	V-ing form
I may metathesise you may metathesise he may metathesise we may metathesise you may metathesise they may metathesise	I may be metathesising you may be metathesising he may be metathesising we may be metathesising you may be metathesising they may be metathesising
Perfect	V-ing perfect
I may have metathesised you may have metathesised he may have metathesised we may have metathesised you may have metathesised they may have metathesised	I may have been metathesising you may have been metathesising he may have been metathesising we may have been metathesising you may have been metathesising they may have been metathesising

Negation

Simple form	V-ing form
I mayn't metathesise you mayn't metathesise he mayn't metathesise we mayn't metathesise you mayn't metathesise they mayn't metathesise	I mayn't be metathesising you mayn't be metathesising he mayn't be metathesising we mayn't be metathesising you mayn't be metathesising they mayn't be metathesising
Perfect	V-ing perfect
I mayn't have metathesised you mayn't have metathesised he mayn't have metathesised we mayn't have metathesised you mayn't have metathesised they mayn't have metathesised	I mayn't have been metathesising you mayn't have been metathesising he mayn't have been metathesising we mayn't have been metathesising you mayn't have been metathesising they mayn't have been metathesising

Interrogative form

Simple form	V-ing form
may I metathesise? may you metathesise? may he metathesise? may we metathesise? may you metathesise? may they metathesise?	may I be metathesising? may you be metathesising? may he be metathesising? may we be metathesising? may you be metathesising? may they be metathesising?
Perfect	V-ing perfect
may I have metathesised? may you have metathesised? may he have metathesised? may we have metathesised? may you have metathesised? may they have metathesised?	may I have been metathesising? may you have been metathesising? may he have been metathesising? may we have been metathesising? may you have been metathesising? may they have been metathesising?

Interro-negative form

Simple form	V-ing form
mayn't I metathesise? mayn't you metathesise? mayn't he metathesise? mayn't we metathesise? mayn't you metathesise? mayn't they metathesise?	mayn't I be metathesising? mayn't you be metathesising? mayn't he be metathesising? mayn't we be metathesising? mayn't you be metathesising? mayn't they be metathesising?
Perfect	V-ing perfect
mayn't I have metathesised? mayn't you have metathesised? mayn't he have metathesised? mayn't we have metathesised? mayn't you have metathesised? mayn't they have metathesised?	mayn't I have been metathesising? mayn't you have been metathesising? mayn't he have been metathesising? mayn't we have been metathesising? mayn't you have been metathesising? mayn't they have been metathesising?