| I | retard |
| you | retard |
| he/she/it | retards |
| we | retard |
| you | retard |
| they | retard |
| I | have retarded |
| you | have retarded |
| he/she/it | has retarded |
| we | have retarded |
| you | have retarded |
| they | have retarded |
| I | retarded |
| you | retarded |
| he/she/it | retarded |
| we | retarded |
| you | retarded |
| they | retarded |
| I | had retarded |
| you | had retarded |
| he/she/it | had retarded |
| we | had retarded |
| you | had retarded |
| they | had retarded |
| I | will retard |
| you | will retard |
| he/she/it | will retard |
| we | will retard |
| you | will retard |
| they | will retard |
| I | will have retarded |
| you | will have retarded |
| he/she/it | will have retarded |
| we | will have retarded |
| you | will have retarded |
| they | will have retarded |
| I | am retarding |
| you | are retarding |
| he/she/it | is retarding |
| we | are retarding |
| you | are retarding |
| they | are retarding |
| I | have been retarding |
| you | have been retarding |
| he/she/it | has been retarding |
| we | have been retarding |
| you | have been retarding |
| they | have been retarding |
| I | was retarding |
| you | were retarding |
| he/she/it | was retarding |
| we | were retarding |
| you | were retarding |
| they | were retarding |
| I | had been retarding |
| you | had been retarding |
| he/she/it | had been retarding |
| we | had been retarding |
| you | had been retarding |
| they | had been retarding |
| I | will be retarding |
| you | will be retarding |
| he/she/it | will be retarding |
| we | will be retarding |
| you | will be retarding |
| they | will be retarding |
| I | will have been retarding |
| you | will have been retarding |
| he/she/it | will have been retarding |
| we | will have been retarding |
| you | will have been retarding |
| they | will have been retarding |
| I | would retard |
| you | would retard |
| he/she/it | would retard |
| we | would retard |
| you | would retard |
| they | would retard |
| I | would have retarded |
| you | would have retarded |
| he/she/it | would have retarded |
| we | would have retarded |
| you | would have retarded |
| they | would have retarded |
| I | would be retarding |
| you | would be retarding |
| he/she/it | would be retarding |
| we | would be retarding |
| you | would be retarding |
| they | would be retarding |
| I | would have been retarding |
| you | would have been retarding |
| he/she/it | would have been retarding |
| we | would have been retarding |
| you | would have been retarding |
| they | would have been retarding |
| You | retard |
| we | Let's retard |
| You | retard |