English verb conjugation
TO CONSTRAIN

Regular verb: constrain - constrained - constrained

Indicative

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

Conditional

Present	Present continuous	Past	Past continuous
wouldn't I constrain? wouldn't you constrain? wouldn't he constrain? wouldn't we constrain? wouldn't you constrain? wouldn't they constrain?	wouldn't I be constraining? wouldn't you be constraining? wouldn't he be constraining? wouldn't we be constraining? wouldn't you be constraining? wouldn't they be constraining?	wouldn't I have constrained? wouldn't you have constrained? wouldn't he have constrained? wouldn't we have constrained? wouldn't you have constrained? wouldn't they have constrained?	wouldn't I have been constraining? wouldn't you have been constraining? wouldn't he have been constraining? wouldn't we have been constraining? wouldn't you have been constraining? wouldn't they have been constraining?

Infinitive

Imperative

Infinitive		Imperative
to constrain		- - -

Participle

Present	Past
constraining	constrained