English verb conjugation
MAY RESTACK

Regular verb: restack - restacked - restacked

Affirmation

Simple form	V-ing form
I may restack you may restack he may restack we may restack you may restack they may restack	I may be restacking you may be restacking he may be restacking we may be restacking you may be restacking they may be restacking
Perfect	V-ing perfect
I may have restacked you may have restacked he may have restacked we may have restacked you may have restacked they may have restacked	I may have been restacking you may have been restacking he may have been restacking we may have been restacking you may have been restacking they may have been restacking

Negation

Simple form	V-ing form
I mayn't restack you mayn't restack he mayn't restack we mayn't restack you mayn't restack they mayn't restack	I mayn't be restacking you mayn't be restacking he mayn't be restacking we mayn't be restacking you mayn't be restacking they mayn't be restacking
Perfect	V-ing perfect
I mayn't have restacked you mayn't have restacked he mayn't have restacked we mayn't have restacked you mayn't have restacked they mayn't have restacked	I mayn't have been restacking you mayn't have been restacking he mayn't have been restacking we mayn't have been restacking you mayn't have been restacking they mayn't have been restacking

Interrogative form

Simple form	V-ing form
may I restack? may you restack? may he restack? may we restack? may you restack? may they restack?	may I be restacking? may you be restacking? may he be restacking? may we be restacking? may you be restacking? may they be restacking?
Perfect	V-ing perfect
may I have restacked? may you have restacked? may he have restacked? may we have restacked? may you have restacked? may they have restacked?	may I have been restacking? may you have been restacking? may he have been restacking? may we have been restacking? may you have been restacking? may they have been restacking?

Interro-negative form

Simple form	V-ing form
mayn't I restack? mayn't you restack? mayn't he restack? mayn't we restack? mayn't you restack? mayn't they restack?	mayn't I be restacking? mayn't you be restacking? mayn't he be restacking? mayn't we be restacking? mayn't you be restacking? mayn't they be restacking?
Perfect	V-ing perfect
mayn't I have restacked? mayn't you have restacked? mayn't he have restacked? mayn't we have restacked? mayn't you have restacked? mayn't they have restacked?	mayn't I have been restacking? mayn't you have been restacking? mayn't he have been restacking? mayn't we have been restacking? mayn't you have been restacking? mayn't they have been restacking?