English verb conjugation
MAY BERTH

Regular verb: berth - berthed - berthed

Affirmation

Simple form	V-ing form
I may berth you may berth she may berth we may berth you may berth they may berth	I may be berthing you may be berthing she may be berthing we may be berthing you may be berthing they may be berthing
Perfect	V-ing perfect
I may have berthed you may have berthed she may have berthed we may have berthed you may have berthed they may have berthed	I may have been berthing you may have been berthing she may have been berthing we may have been berthing you may have been berthing they may have been berthing

Negation

Simple form	V-ing form
I mayn't berth you mayn't berth she mayn't berth we mayn't berth you mayn't berth they mayn't berth	I mayn't be berthing you mayn't be berthing she mayn't be berthing we mayn't be berthing you mayn't be berthing they mayn't be berthing
Perfect	V-ing perfect
I mayn't have berthed you mayn't have berthed she mayn't have berthed we mayn't have berthed you mayn't have berthed they mayn't have berthed	I mayn't have been berthing you mayn't have been berthing she mayn't have been berthing we mayn't have been berthing you mayn't have been berthing they mayn't have been berthing

Interrogative form

Simple form	V-ing form
may I berth? may you berth? may she berth? may we berth? may you berth? may they berth?	may I be berthing? may you be berthing? may she be berthing? may we be berthing? may you be berthing? may they be berthing?
Perfect	V-ing perfect
may I have berthed? may you have berthed? may she have berthed? may we have berthed? may you have berthed? may they have berthed?	may I have been berthing? may you have been berthing? may she have been berthing? may we have been berthing? may you have been berthing? may they have been berthing?

Interro-negative form

Simple form	V-ing form
mayn't I berth? mayn't you berth? mayn't she berth? mayn't we berth? mayn't you berth? mayn't they berth?	mayn't I be berthing? mayn't you be berthing? mayn't she be berthing? mayn't we be berthing? mayn't you be berthing? mayn't they be berthing?
Perfect	V-ing perfect
mayn't I have berthed? mayn't you have berthed? mayn't she have berthed? mayn't we have berthed? mayn't you have berthed? mayn't they have berthed?	mayn't I have been berthing? mayn't you have been berthing? mayn't she have been berthing? mayn't we have been berthing? mayn't you have been berthing? mayn't they have been berthing?