English verb conjugation
TO LENGTHEN

Regular verb: lengthen - lengthened - lengthened

Indicative

Present	Present continuous	Preterite	Preterite continuous
don't I lengthen? don't you lengthen? doesn't he lengthen? don't we lengthen? don't you lengthen? don't they lengthen?	am I not lengthening? aren't you lengthening? isn't he lengthening? aren't we lengthening? aren't you lengthening? aren't they lengthening?	didn't I lengthen? didn't you lengthen? didn't he lengthen? didn't we lengthen? didn't you lengthen? didn't they lengthen?	wasn't I lengthening? weren't you lengthening? wasn't he lengthening? weren't we lengthening? weren't you lengthening? weren't they lengthening?
Present perfect	Present perfect continuous	Pluperfect	Pluperfect continuous
haven't I lengthened? haven't you lengthened? hasn't he lengthened? haven't we lengthened? haven't you lengthened? haven't they lengthened?	haven't I been lengthening? haven't you been lengthening? hasn't he been lengthening? haven't we been lengthening? haven't you been lengthening? haven't they been lengthening?	hadn't I lengthened? hadn't you lengthened? hadn't he lengthened? hadn't we lengthened? hadn't you lengthened? hadn't they lengthened?	hadn't I been lengthening? hadn't you been lengthening? hadn't he been lengthening? hadn't we been lengthening? hadn't you been lengthening? hadn't they been lengthening?
Future	Future continuous	Future perfect	Future perfect continuous
won't I lengthen? won't you lengthen? won't he lengthen? won't we lengthen? won't you lengthen? won't they lengthen?	won't I be lengthening? won't you be lengthening? won't he be lengthening? won't we be lengthening? won't you be lengthening? won't they be lengthening?	won't I have lengthened? won't you have lengthened? won't he have lengthened? won't we have lengthened? won't you have lengthened? won't they have lengthened?	won't I have been lengthening? won't you have been lengthening? won't he have been lengthening? won't we have been lengthening? won't you have been lengthening? won't they have been lengthening?

Conditional

Present	Present continuous	Past	Past continuous
wouldn't I lengthen? wouldn't you lengthen? wouldn't he lengthen? wouldn't we lengthen? wouldn't you lengthen? wouldn't they lengthen?	wouldn't I be lengthening? wouldn't you be lengthening? wouldn't he be lengthening? wouldn't we be lengthening? wouldn't you be lengthening? wouldn't they be lengthening?	wouldn't I have lengthened? wouldn't you have lengthened? wouldn't he have lengthened? wouldn't we have lengthened? wouldn't you have lengthened? wouldn't they have lengthened?	wouldn't I have been lengthening? wouldn't you have been lengthening? wouldn't he have been lengthening? wouldn't we have been lengthening? wouldn't you have been lengthening? wouldn't they have been lengthening?

Infinitive

Imperative

Infinitive		Imperative
to lengthen		- - -

Participle

Present	Past
lengthening	lengthened