English verb conjugation
MAY CHALK

Regular verb: chalk - chalked - chalked

Affirmation

Simple form	V-ing form
I may chalk you may chalk he may chalk we may chalk you may chalk they may chalk	I may be chalking you may be chalking he may be chalking we may be chalking you may be chalking they may be chalking
Perfect	V-ing perfect
I may have chalked you may have chalked he may have chalked we may have chalked you may have chalked they may have chalked	I may have been chalking you may have been chalking he may have been chalking we may have been chalking you may have been chalking they may have been chalking

Negation

Simple form	V-ing form
I may not chalk you may not chalk he may not chalk we may not chalk you may not chalk they may not chalk	I may not be chalking you may not be chalking he may not be chalking we may not be chalking you may not be chalking they may not be chalking
Perfect	V-ing perfect
I may not have chalked you may not have chalked he may not have chalked we may not have chalked you may not have chalked they may not have chalked	I may not have been chalking you may not have been chalking he may not have been chalking we may not have been chalking you may not have been chalking they may not have been chalking

Interrogative form

Simple form	V-ing form
may I chalk? may you chalk? may he chalk? may we chalk? may you chalk? may they chalk?	may I be chalking? may you be chalking? may he be chalking? may we be chalking? may you be chalking? may they be chalking?
Perfect	V-ing perfect
may I have chalked? may you have chalked? may he have chalked? may we have chalked? may you have chalked? may they have chalked?	may I have been chalking? may you have been chalking? may he have been chalking? may we have been chalking? may you have been chalking? may they have been chalking?

Interro-negative form

Simple form	V-ing form
may I not chalk? may you not chalk? may he not chalk? may we not chalk? may you not chalk? may they not chalk?	may I not be chalking? may you not be chalking? may he not be chalking? may we not be chalking? may you not be chalking? may they not be chalking?
Perfect	V-ing perfect
may I not have chalked? may you not have chalked? may he not have chalked? may we not have chalked? may you not have chalked? may they not have chalked?	may I not have been chalking? may you not have been chalking? may he not have been chalking? may we not have been chalking? may you not have been chalking? may they not have been chalking?