English verb conjugation
MAY MUSCLE

Regular verb: muscle - muscled - muscled

Affirmation

Simple form	V-ing form
I may muscle you may muscle he may muscle we may muscle you may muscle they may muscle	I may be muscling you may be muscling he may be muscling we may be muscling you may be muscling they may be muscling
Perfect	V-ing perfect
I may have muscled you may have muscled he may have muscled we may have muscled you may have muscled they may have muscled	I may have been muscling you may have been muscling he may have been muscling we may have been muscling you may have been muscling they may have been muscling

Negation

Simple form	V-ing form
I mayn't muscle you mayn't muscle he mayn't muscle we mayn't muscle you mayn't muscle they mayn't muscle	I mayn't be muscling you mayn't be muscling he mayn't be muscling we mayn't be muscling you mayn't be muscling they mayn't be muscling
Perfect	V-ing perfect
I mayn't have muscled you mayn't have muscled he mayn't have muscled we mayn't have muscled you mayn't have muscled they mayn't have muscled	I mayn't have been muscling you mayn't have been muscling he mayn't have been muscling we mayn't have been muscling you mayn't have been muscling they mayn't have been muscling

Interrogative form

Simple form	V-ing form
may I muscle? may you muscle? may he muscle? may we muscle? may you muscle? may they muscle?	may I be muscling? may you be muscling? may he be muscling? may we be muscling? may you be muscling? may they be muscling?
Perfect	V-ing perfect
may I have muscled? may you have muscled? may he have muscled? may we have muscled? may you have muscled? may they have muscled?	may I have been muscling? may you have been muscling? may he have been muscling? may we have been muscling? may you have been muscling? may they have been muscling?

Interro-negative form

Simple form	V-ing form
mayn't I muscle? mayn't you muscle? mayn't he muscle? mayn't we muscle? mayn't you muscle? mayn't they muscle?	mayn't I be muscling? mayn't you be muscling? mayn't he be muscling? mayn't we be muscling? mayn't you be muscling? mayn't they be muscling?
Perfect	V-ing perfect
mayn't I have muscled? mayn't you have muscled? mayn't he have muscled? mayn't we have muscled? mayn't you have muscled? mayn't they have muscled?	mayn't I have been muscling? mayn't you have been muscling? mayn't he have been muscling? mayn't we have been muscling? mayn't you have been muscling? mayn't they have been muscling?