English verb conjugation SHOULD TOUGHEN

Regular verb: toughen - toughened - toughened

Affirmation

Simple form

I should toughen
you should toughen
she should toughen
we should toughen
you should toughen
they should toughen

V-ing form

I should be toughening
you should be toughening
she should be toughening
we should be toughening
you should be toughening
they should be toughening

Perfect

I should have toughened
you should have toughened
she should have toughened
we should have toughened
you should have toughened
they should have toughened

V-ing perfect

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

Negation

Simple form

I should not toughen
you should not toughen
she should not toughen
we should not toughen
you should not toughen
they should not toughen

V-ing form

I should not be toughening
you should not be toughening
she should not be toughening
we should not be toughening
you should not be toughening
they should not be toughening

Perfect

I should not have toughened
you should not have toughened
she should not have toughened
we should not have toughened
you should not have toughened
they should not have toughened

V-ing perfect

I should not have been toughening
you should not have been toughening
she should not have been toughening
we should not have been toughening
you should not have been toughening
they should not have been toughening

Interrogative form

Simple form

should I toughen?
should you toughen?
should she toughen?
should we toughen?
should you toughen?
should they toughen?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

should I not toughen?
should you not toughen?
should she not toughen?
should we not toughen?
should you not toughen?
should they not toughen?

V-ing form

should I not be toughening?
should you not be toughening?
should she not be toughening?
should we not be toughening?
should you not be toughening?
should they not be toughening?

Perfect

should I not have toughened?
should you not have toughened?
should she not have toughened?
should we not have toughened?
should you not have toughened?
should they not have toughened?

V-ing perfect

should I not have been toughening?
should you not have been toughening?
should she not have been toughening?
should we not have been toughening?
should you not have been toughening?
should they not have been toughening?

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