may swab
Regular verb: swab - swabed- swabed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may swab
you may swab
he may swab
we may swab
you may swab
they may swab 	I may be swabing
you may be swabing
he may be swabing
we may be swabing
you may be swabing
they may be swabing	I may have swabed
you may have swabed
he may have swabed
we may have swabed
you may have swabed
they may have swabed	I may have been swabing
you may have been swabing
he may have been swabing
we may have been swabing
you may have been swabing
they may have been swabing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not swab
you may not swab
he may not swab
we may not swab
you may not swab
they may not swab 	I may not be swabing
you may not be swabing
he may not be swabing
we may not be swabing
you may not be swabing
they may not be swabing	I may not have swabed
you may not have swabed
he may not have swabed
we may not have swabed
you may not have swabed
they may not have swabed	I may not have been swabing
you may not have been swabing
he may not have been swabing
we may not have been swabing
you may not have been swabing
they may not have been swabing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I swab?
may you swab?
may he swab?
may we swab?
may you swab?
may they swab? 	may I be swabing?
may you be swabing?
may he be swabing?
may we be swabing?
may you be swabing?
may they be swabing? 	may I have swabed?
may you have swabed?
may he have swabed?
may we have swabed?
may you have swabed?
may they have swabed? 	may I have been swabing?
may you have been swabing?
may he have been swabing?
may we have been swabing?
may you have been swabing?
may they have been swabing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not swab?
may you not swab?
may he not swab?
may we not swab?
may you not swab?
may they not swab? 	may I not be swabing?
may you not be swabing?
may he not be swabing?
may we not be swabing?
may you not be swabing?
may they not be swabing? 	may I not have swabed?
may you not have swabed?
may he not have swabed?
may we not have swabed?
may you not have swabed?
may they not have swabed? 	may I not have been swabing?
may you not have been swabing?
may he not have been swabing?
may we not have been swabing?
may you not have been swabing?
may they not have been swabing?