English verb conjugation
MAY QUIVER

Regular verb: quiver - quivered - quivered

Affirmation

Simple form	V-ing form
I may quiver you may quiver he may quiver we may quiver you may quiver they may quiver	I may be quivering you may be quivering he may be quivering we may be quivering you may be quivering they may be quivering
Perfect	V-ing perfect
I may have quivered you may have quivered he may have quivered we may have quivered you may have quivered they may have quivered	I may have been quivering you may have been quivering he may have been quivering we may have been quivering you may have been quivering they may have been quivering

Negation

Simple form	V-ing form
I mayn't quiver you mayn't quiver he mayn't quiver we mayn't quiver you mayn't quiver they mayn't quiver	I mayn't be quivering you mayn't be quivering he mayn't be quivering we mayn't be quivering you mayn't be quivering they mayn't be quivering
Perfect	V-ing perfect
I mayn't have quivered you mayn't have quivered he mayn't have quivered we mayn't have quivered you mayn't have quivered they mayn't have quivered	I mayn't have been quivering you mayn't have been quivering he mayn't have been quivering we mayn't have been quivering you mayn't have been quivering they mayn't have been quivering

Interrogative form

Simple form	V-ing form
may I quiver? may you quiver? may he quiver? may we quiver? may you quiver? may they quiver?	may I be quivering? may you be quivering? may he be quivering? may we be quivering? may you be quivering? may they be quivering?
Perfect	V-ing perfect
may I have quivered? may you have quivered? may he have quivered? may we have quivered? may you have quivered? may they have quivered?	may I have been quivering? may you have been quivering? may he have been quivering? may we have been quivering? may you have been quivering? may they have been quivering?

Interro-negative form

Simple form	V-ing form
mayn't I quiver? mayn't you quiver? mayn't he quiver? mayn't we quiver? mayn't you quiver? mayn't they quiver?	mayn't I be quivering? mayn't you be quivering? mayn't he be quivering? mayn't we be quivering? mayn't you be quivering? mayn't they be quivering?
Perfect	V-ing perfect
mayn't I have quivered? mayn't you have quivered? mayn't he have quivered? mayn't we have quivered? mayn't you have quivered? mayn't they have quivered?	mayn't I have been quivering? mayn't you have been quivering? mayn't he have been quivering? mayn't we have been quivering? mayn't you have been quivering? mayn't they have been quivering?