English verb conjugation
MAY SUCK

Regular verb: suck - sucked - sucked

Affirmation

Simple form	V-ing form
I may suck you may suck he may suck we may suck you may suck they may suck	I may be sucking you may be sucking he may be sucking we may be sucking you may be sucking they may be sucking
Perfect	V-ing perfect
I may have sucked you may have sucked he may have sucked we may have sucked you may have sucked they may have sucked	I may have been sucking you may have been sucking he may have been sucking we may have been sucking you may have been sucking they may have been sucking

Negation

Simple form	V-ing form
I may not suck you may not suck he may not suck we may not suck you may not suck they may not suck	I may not be sucking you may not be sucking he may not be sucking we may not be sucking you may not be sucking they may not be sucking
Perfect	V-ing perfect
I may not have sucked you may not have sucked he may not have sucked we may not have sucked you may not have sucked they may not have sucked	I may not have been sucking you may not have been sucking he may not have been sucking we may not have been sucking you may not have been sucking they may not have been sucking

Interrogative form

Simple form	V-ing form
may I suck? may you suck? may he suck? may we suck? may you suck? may they suck?	may I be sucking? may you be sucking? may he be sucking? may we be sucking? may you be sucking? may they be sucking?
Perfect	V-ing perfect
may I have sucked? may you have sucked? may he have sucked? may we have sucked? may you have sucked? may they have sucked?	may I have been sucking? may you have been sucking? may he have been sucking? may we have been sucking? may you have been sucking? may they have been sucking?

Interro-negative form

Simple form	V-ing form
may I not suck? may you not suck? may he not suck? may we not suck? may you not suck? may they not suck?	may I not be sucking? may you not be sucking? may he not be sucking? may we not be sucking? may you not be sucking? may they not be sucking?
Perfect	V-ing perfect
may I not have sucked? may you not have sucked? may he not have sucked? may we not have sucked? may you not have sucked? may they not have sucked?	may I not have been sucking? may you not have been sucking? may he not have been sucking? may we not have been sucking? may you not have been sucking? may they not have been sucking?