English verb conjugation SHOULD LENGTHEN

Regular verb: lengthen - lengthened - lengthened

Affirmation

Simple form

I'd lengthen
you'd lengthen
he'd lengthen
we'd lengthen
you'd lengthen
they'd lengthen

V-ing form

I'd be lengthening
you'd be lengthening
he'd be lengthening
we'd be lengthening
you'd be lengthening
they'd be lengthening

Perfect

I should've lengthened
you should've lengthened
he should've lengthened
we should've lengthened
you should've lengthened
they should've lengthened

V-ing perfect

I should've been lengthening
you should've been lengthening
he should've been lengthening
we should've been lengthening
you should've been lengthening
they should've been lengthening

Negation

Simple form

I shouldn't lengthen
you shouldn't lengthen
he shouldn't lengthen
we shouldn't lengthen
you shouldn't lengthen
they shouldn't lengthen

V-ing form

I shouldn't be lengthening
you shouldn't be lengthening
he shouldn't be lengthening
we shouldn't be lengthening
you shouldn't be lengthening
they shouldn't be lengthening

Perfect

I shouldn't have lengthened
you shouldn't have lengthened
he shouldn't have lengthened
we shouldn't have lengthened
you shouldn't have lengthened
they shouldn't have lengthened

V-ing perfect

I shouldn't have been lengthening
you shouldn't have been lengthening
he shouldn't have been lengthening
we shouldn't have been lengthening
you shouldn't have been lengthening
they shouldn't have been lengthening

Interrogative form

Simple form

should I lengthen?
should you lengthen?
should he lengthen?
should we lengthen?
should you lengthen?
should they lengthen?

V-ing form

should I be lengthening?
should you be lengthening?
should he be lengthening?
should we be lengthening?
should you be lengthening?
should they be lengthening?

Perfect

should I have lengthened?
should you have lengthened?
should he have lengthened?
should we have lengthened?
should you have lengthened?
should they have lengthened?

V-ing perfect

should I have been lengthening?
should you have been lengthening?
should he have been lengthening?
should we have been lengthening?
should you have been lengthening?
should they have been lengthening?

Interro-negative form

Simple form

shouldn't I lengthen?
shouldn't you lengthen?
shouldn't he lengthen?
shouldn't we lengthen?
shouldn't you lengthen?
shouldn't they lengthen?

V-ing form

shouldn't I be lengthening?
shouldn't you be lengthening?
shouldn't he be lengthening?
shouldn't we be lengthening?
shouldn't you be lengthening?
shouldn't they be lengthening?

Perfect

shouldn't I have lengthened?
shouldn't you have lengthened?
shouldn't he have lengthened?
shouldn't we have lengthened?
shouldn't you have lengthened?
shouldn't they have lengthened?

V-ing perfect

shouldn't I have been lengthening?
shouldn't you have been lengthening?
shouldn't he have been lengthening?
shouldn't we have been lengthening?
shouldn't you have been lengthening?
shouldn't they have been lengthening?

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