English verb conjugation
MAY ENTER

Regular verb: enter - entered - entered

Affirmation

Simple form	V-ing form
I may enter you may enter he may enter we may enter you may enter they may enter	I may be entering you may be entering he may be entering we may be entering you may be entering they may be entering
Perfect	V-ing perfect
I may have entered you may have entered he may have entered we may have entered you may have entered they may have entered	I may have been entering you may have been entering he may have been entering we may have been entering you may have been entering they may have been entering

Negation

Simple form	V-ing form
I may not enter you may not enter he may not enter we may not enter you may not enter they may not enter	I may not be entering you may not be entering he may not be entering we may not be entering you may not be entering they may not be entering
Perfect	V-ing perfect
I may not have entered you may not have entered he may not have entered we may not have entered you may not have entered they may not have entered	I may not have been entering you may not have been entering he may not have been entering we may not have been entering you may not have been entering they may not have been entering

Interrogative form

Simple form	V-ing form
may I enter? may you enter? may he enter? may we enter? may you enter? may they enter?	may I be entering? may you be entering? may he be entering? may we be entering? may you be entering? may they be entering?
Perfect	V-ing perfect
may I have entered? may you have entered? may he have entered? may we have entered? may you have entered? may they have entered?	may I have been entering? may you have been entering? may he have been entering? may we have been entering? may you have been entering? may they have been entering?

Interro-negative form

Simple form	V-ing form
may I not enter? may you not enter? may he not enter? may we not enter? may you not enter? may they not enter?	may I not be entering? may you not be entering? may he not be entering? may we not be entering? may you not be entering? may they not be entering?
Perfect	V-ing perfect
may I not have entered? may you not have entered? may he not have entered? may we not have entered? may you not have entered? may they not have entered?	may I not have been entering? may you not have been entering? may he not have been entering? may we not have been entering? may you not have been entering? may they not have been entering?