English verb conjugation
TO CONSTRAIN

Regular verb: constrain - constrained - constrained

Indicative

Present	Present continuous	Preterite	Preterite continuous
do I constrain? do you constrain? does she constrain? do we constrain? do you constrain? do they constrain?	am I constraining? are you constraining? is she constraining? are we constraining? are you constraining? are they constraining?	did I constrain? did you constrain? did she constrain? did we constrain? did you constrain? did they constrain?	was I constraining? were you constraining? was she constraining? were we constraining? were you constraining? were they constraining?
Present perfect	Present perfect continuous	Pluperfect	Pluperfect continuous
have I constrained? have you constrained? has she constrained? have we constrained? have you constrained? have they constrained?	have I been constraining? have you been constraining? has she been constraining? have we been constraining? have you been constraining? have they been constraining?	had I constrained? had you constrained? had she constrained? had we constrained? had you constrained? had they constrained?	had I been constraining? had you been constraining? had she been constraining? had we been constraining? had you been constraining? had they been constraining?
Future	Future continuous	Future perfect	Future perfect continuous
will I constrain? will you constrain? will she constrain? will we constrain? will you constrain? will they constrain?	will I be constraining? will you be constraining? will she be constraining? will we be constraining? will you be constraining? will they be constraining?	will I have constrained? will you have constrained? will she have constrained? will we have constrained? will you have constrained? will they have constrained?	will I have been constraining? will you have been constraining? will she have been constraining? will we have been constraining? will you have been constraining? will they have been constraining?

Conditional

Present	Present continuous	Past	Past continuous
would I constrain? would you constrain? would she constrain? would we constrain? would you constrain? would they constrain?	would I be constraining? would you be constraining? would she be constraining? would we be constraining? would you be constraining? would they be constraining?	would I have constrained? would you have constrained? would she have constrained? would we have constrained? would you have constrained? would they have constrained?	would I have been constraining? would you have been constraining? would she have been constraining? would we have been constraining? would you have been constraining? would they have been constraining?

Infinitive

Imperative

Infinitive		Imperative
to constrain		- - -

Participle

Present	Past
constraining	constrained