| Simple | Progressive | Perfect | Progressive |
| Present |
| I constrict |
| you constrict |
| he/she/it constricts |
| we constrict |
| you all constrict |
| they constrict |
|
| I am constricting |
| you are constricting |
| he/she/it is constricting |
| we are constricting |
| you all are constricting |
| they are constricting |
|
| I have constricted |
| you have constricted |
| he/she/it has constricted |
| we have constricted |
| you all have constricted |
| they have constricted |
|
| I have been constricting |
| you have been constricting |
| he/she/it has been constricting |
| we have been constricting |
| you all have been constricting |
| they have been constricting |
|
| Past |
| I constricted |
| you constricted |
| he/she/it constricted |
| we constricted |
| you all constricted |
| they constricted |
|
| I was constricting |
| you were constricting |
| he/she/it was constricting |
| we were constricting |
| you all were constricting |
| they were constricting |
|
| I had constricted |
| you had constricted |
| he/she/it had constricted |
| we had constricted |
| you all had constricted |
| they had constricted |
|
| I had been constricting |
| you had been constricting |
| he/she/it had been constricting |
| we had been constricting |
| you all had been constricting |
| they had been constricting |
|
| Future |
| I will constrict |
| you will constrict |
| he/she/it will constrict |
| we will constrict |
| you all will constrict |
| they will constrict |
|
| I will be constricting |
| you will be constricting |
| he/she/it will be constricting |
| we are constricting |
| you all will be constricting |
| they will be constricting |
|
| I will have constricted |
| you will have constricted |
| he/she/it will have constricted |
| we will have constricted |
| you all will have constricted |
| they will have constricted |
|
| I will have been constricting |
| you will have been constricting |
| he/she/it will have been constricting |
| we will have been constricting |
| you all will have been constricting |
| they will have been constricting |
|
