English verb conjugation MAY GRUB

Regular verb: grub - grubbed - grubbed

Affirmation

Simple form

I may grub
you may grub
he may grub
we may grub
you may grub
they may grub

V-ing form

I may be grubbing
you may be grubbing
he may be grubbing
we may be grubbing
you may be grubbing
they may be grubbing

Perfect

I may have grubbed
you may have grubbed
he may have grubbed
we may have grubbed
you may have grubbed
they may have grubbed

V-ing perfect

I may have been grubbing
you may have been grubbing
he may have been grubbing
we may have been grubbing
you may have been grubbing
they may have been grubbing

Negation

Simple form

I mayn't grub
you mayn't grub
he mayn't grub
we mayn't grub
you mayn't grub
they mayn't grub

V-ing form

I mayn't be grubbing
you mayn't be grubbing
he mayn't be grubbing
we mayn't be grubbing
you mayn't be grubbing
they mayn't be grubbing

Perfect

I mayn't have grubbed
you mayn't have grubbed
he mayn't have grubbed
we mayn't have grubbed
you mayn't have grubbed
they mayn't have grubbed

V-ing perfect

I mayn't have been grubbing
you mayn't have been grubbing
he mayn't have been grubbing
we mayn't have been grubbing
you mayn't have been grubbing
they mayn't have been grubbing

Interrogative form

Simple form

may I grub?
may you grub?
may he grub?
may we grub?
may you grub?
may they grub?

V-ing form

may I be grubbing?
may you be grubbing?
may he be grubbing?
may we be grubbing?
may you be grubbing?
may they be grubbing?

Perfect

may I have grubbed?
may you have grubbed?
may he have grubbed?
may we have grubbed?
may you have grubbed?
may they have grubbed?

V-ing perfect

may I have been grubbing?
may you have been grubbing?
may he have been grubbing?
may we have been grubbing?
may you have been grubbing?
may they have been grubbing?

Interro-negative form

Simple form

mayn't I grub?
mayn't you grub?
mayn't he grub?
mayn't we grub?
mayn't you grub?
mayn't they grub?

V-ing form

mayn't I be grubbing?
mayn't you be grubbing?
mayn't he be grubbing?
mayn't we be grubbing?
mayn't you be grubbing?
mayn't they be grubbing?

Perfect

mayn't I have grubbed?
mayn't you have grubbed?
mayn't he have grubbed?
mayn't we have grubbed?
mayn't you have grubbed?
mayn't they have grubbed?

V-ing perfect

mayn't I have been grubbing?
mayn't you have been grubbing?
mayn't he have been grubbing?
mayn't we have been grubbing?
mayn't you have been grubbing?
mayn't they have been grubbing?

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