English verb conjugation MAY TOUGHEN

Regular verb: toughen - toughened - toughened

Affirmation

Simple form

I may toughen
you may toughen
she may toughen
we may toughen
you may toughen
they may toughen

V-ing form

I may be toughening
you may be toughening
she may be toughening
we may be toughening
you may be toughening
they may be toughening

Perfect

I may have toughened
you may have toughened
she may have toughened
we may have toughened
you may have toughened
they may have toughened

V-ing perfect

I may have been toughening
you may have been toughening
she may have been toughening
we may have been toughening
you may have been toughening
they may have been toughening

Negation

Simple form

I mayn't toughen
you mayn't toughen
she mayn't toughen
we mayn't toughen
you mayn't toughen
they mayn't toughen

V-ing form

I mayn't be toughening
you mayn't be toughening
she mayn't be toughening
we mayn't be toughening
you mayn't be toughening
they mayn't be toughening

Perfect

I mayn't have toughened
you mayn't have toughened
she mayn't have toughened
we mayn't have toughened
you mayn't have toughened
they mayn't have toughened

V-ing perfect

I mayn't have been toughening
you mayn't have been toughening
she mayn't have been toughening
we mayn't have been toughening
you mayn't have been toughening
they mayn't have been toughening

Interrogative form

Simple form

may I toughen?
may you toughen?
may she toughen?
may we toughen?
may you toughen?
may they toughen?

V-ing form

may I be toughening?
may you be toughening?
may she be toughening?
may we be toughening?
may you be toughening?
may they be toughening?

Perfect

may I have toughened?
may you have toughened?
may she have toughened?
may we have toughened?
may you have toughened?
may they have toughened?

V-ing perfect

may I have been toughening?
may you have been toughening?
may she have been toughening?
may we have been toughening?
may you have been toughening?
may they have been toughening?

Interro-negative form

Simple form

mayn't I toughen?
mayn't you toughen?
mayn't she toughen?
mayn't we toughen?
mayn't you toughen?
mayn't they toughen?

V-ing form

mayn't I be toughening?
mayn't you be toughening?
mayn't she be toughening?
mayn't we be toughening?
mayn't you be toughening?
mayn't they be toughening?

Perfect

mayn't I have toughened?
mayn't you have toughened?
mayn't she have toughened?
mayn't we have toughened?
mayn't you have toughened?
mayn't they have toughened?

V-ing perfect

mayn't I have been toughening?
mayn't you have been toughening?
mayn't she have been toughening?
mayn't we have been toughening?
mayn't you have been toughening?
mayn't they have been toughening?

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