| I | keep at |
| you | keep at |
| he/she/it | keeps at |
| we | keep at |
| you | keep at |
| they | keep at |
| I | have kept at |
| you | have kept at |
| he/she/it | has kept at |
| we | have kept at |
| you | have kept at |
| they | have kept at |
| I | kept at |
| you | kept at |
| he/she/it | kept at |
| we | kept at |
| you | kept at |
| they | kept at |
| I | had kept at |
| you | had kept at |
| he/she/it | had kept at |
| we | had kept at |
| you | had kept at |
| they | had kept at |
| I | will keep at |
| you | will keep at |
| he/she/it | will keep at |
| we | will keep at |
| you | will keep at |
| they | will keep at |
| I | will have kept at |
| you | will have kept at |
| he/she/it | will have kept at |
| we | will have kept at |
| you | will have kept at |
| they | will have kept at |
| I | am keeping at |
| you | are keeping at |
| he/she/it | is keeping at |
| we | are keeping at |
| you | are keeping at |
| they | are keeping at |
| I | have been keeping at |
| you | have been keeping at |
| he/she/it | has been keeping at |
| we | have been keeping at |
| you | have been keeping at |
| they | have been keeping at |
| I | was keeping at |
| you | were keeping at |
| he/she/it | was keeping at |
| we | were keeping at |
| you | were keeping at |
| they | were keeping at |
| I | had been keeping at |
| you | had been keeping at |
| he/she/it | had been keeping at |
| we | had been keeping at |
| you | had been keeping at |
| they | had been keeping at |
| I | will be keeping at |
| you | will be keeping at |
| he/she/it | will be keeping at |
| we | will be keeping at |
| you | will be keeping at |
| they | will be keeping at |
| I | will have been keeping at |
| you | will have been keeping at |
| he/she/it | will have been keeping at |
| we | will have been keeping at |
| you | will have been keeping at |
| they | will have been keeping at |
| I | would keep at |
| you | would keep at |
| he/she/it | would keep at |
| we | would keep at |
| you | would keep at |
| they | would keep at |
| I | would have kept at |
| you | would have kept at |
| he/she/it | would have kept at |
| we | would have kept at |
| you | would have kept at |
| they | would have kept at |
| I | would be keeping at |
| you | would be keeping at |
| he/she/it | would be keeping at |
| we | would be keeping at |
| you | would be keeping at |
| they | would be keeping at |
| I | would have been keeping at |
| you | would have been keeping at |
| he/she/it | would have been keeping at |
| we | would have been keeping at |
| you | would have been keeping at |
| they | would have been keeping at |
| You | keep at |
| we | Let's keep at |
| You | keep at |