may rat
Regular verb: rat - ratted- ratted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may rat
you may rat
he may rat
we may rat
you may rat
they may rat 	I may be ratting
you may be ratting
he may be ratting
we may be ratting
you may be ratting
they may be ratting	I may have ratted
you may have ratted
he may have ratted
we may have ratted
you may have ratted
they may have ratted	I may have been ratting
you may have been ratting
he may have been ratting
we may have been ratting
you may have been ratting
they may have been ratting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not rat
you may not rat
he may not rat
we may not rat
you may not rat
they may not rat 	I may not be ratting
you may not be ratting
he may not be ratting
we may not be ratting
you may not be ratting
they may not be ratting	I may not have ratted
you may not have ratted
he may not have ratted
we may not have ratted
you may not have ratted
they may not have ratted	I may not have been ratting
you may not have been ratting
he may not have been ratting
we may not have been ratting
you may not have been ratting
they may not have been ratting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I rat?
may you rat?
may he rat?
may we rat?
may you rat?
may they rat? 	may I be ratting?
may you be ratting?
may he be ratting?
may we be ratting?
may you be ratting?
may they be ratting? 	may I have ratted?
may you have ratted?
may he have ratted?
may we have ratted?
may you have ratted?
may they have ratted? 	may I have been ratting?
may you have been ratting?
may he have been ratting?
may we have been ratting?
may you have been ratting?
may they have been ratting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not rat?
may you not rat?
may he not rat?
may we not rat?
may you not rat?
may they not rat? 	may I not be ratting?
may you not be ratting?
may he not be ratting?
may we not be ratting?
may you not be ratting?
may they not be ratting? 	may I not have ratted?
may you not have ratted?
may he not have ratted?
may we not have ratted?
may you not have ratted?
may they not have ratted? 	may I not have been ratting?
may you not have been ratting?
may he not have been ratting?
may we not have been ratting?
may you not have been ratting?
may they not have been ratting?