may quake
Regular verb: quake - quaked- quaked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may quake
you may quake
she may quake
we may quake
you may quake
they may quake 	I may be quaking
you may be quaking
she may be quaking
we may be quaking
you may be quaking
they may be quaking	I may have quaked
you may have quaked
she may have quaked
we may have quaked
you may have quaked
they may have quaked	I may have been quaking
you may have been quaking
she may have been quaking
we may have been quaking
you may have been quaking
they may have been quaking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not quake
you may not quake
she may not quake
we may not quake
you may not quake
they may not quake 	I may not be quaking
you may not be quaking
she may not be quaking
we may not be quaking
you may not be quaking
they may not be quaking	I may not have quaked
you may not have quaked
she may not have quaked
we may not have quaked
you may not have quaked
they may not have quaked	I may not have been quaking
you may not have been quaking
she may not have been quaking
we may not have been quaking
you may not have been quaking
they may not have been quaking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I quake?
may you quake?
may she quake?
may we quake?
may you quake?
may they quake? 	may I be quaking?
may you be quaking?
may she be quaking?
may we be quaking?
may you be quaking?
may they be quaking? 	may I have quaked?
may you have quaked?
may she have quaked?
may we have quaked?
may you have quaked?
may they have quaked? 	may I have been quaking?
may you have been quaking?
may she have been quaking?
may we have been quaking?
may you have been quaking?
may they have been quaking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not quake?
may you not quake?
may she not quake?
may we not quake?
may you not quake?
may they not quake? 	may I not be quaking?
may you not be quaking?
may she not be quaking?
may we not be quaking?
may you not be quaking?
may they not be quaking? 	may I not have quaked?
may you not have quaked?
may she not have quaked?
may we not have quaked?
may you not have quaked?
may they not have quaked? 	may I not have been quaking?
may you not have been quaking?
may she not have been quaking?
may we not have been quaking?
may you not have been quaking?
may they not have been quaking?