| I | doubt |
| you | doubt |
| he/she/it | doubts |
| we | doubt |
| you | doubt |
| they | doubt |
| I | have doubted |
| you | have doubted |
| he/she/it | has doubted |
| we | have doubted |
| you | have doubted |
| they | have doubted |
| I | doubted |
| you | doubted |
| he/she/it | doubted |
| we | doubted |
| you | doubted |
| they | doubted |
| I | had doubted |
| you | had doubted |
| he/she/it | had doubted |
| we | had doubted |
| you | had doubted |
| they | had doubted |
| I | will doubt |
| you | will doubt |
| he/she/it | will doubt |
| we | will doubt |
| you | will doubt |
| they | will doubt |
| I | will have doubted |
| you | will have doubted |
| he/she/it | will have doubted |
| we | will have doubted |
| you | will have doubted |
| they | will have doubted |
| I | am doubting |
| you | are doubting |
| he/she/it | is doubting |
| we | are doubting |
| you | are doubting |
| they | are doubting |
| I | have been doubting |
| you | have been doubting |
| he/she/it | has been doubting |
| we | have been doubting |
| you | have been doubting |
| they | have been doubting |
| I | was doubting |
| you | were doubting |
| he/she/it | was doubting |
| we | were doubting |
| you | were doubting |
| they | were doubting |
| I | had been doubting |
| you | had been doubting |
| he/she/it | had been doubting |
| we | had been doubting |
| you | had been doubting |
| they | had been doubting |
| I | will be doubting |
| you | will be doubting |
| he/she/it | will be doubting |
| we | will be doubting |
| you | will be doubting |
| they | will be doubting |
| I | will have been doubting |
| you | will have been doubting |
| he/she/it | will have been doubting |
| we | will have been doubting |
| you | will have been doubting |
| they | will have been doubting |
| I | would doubt |
| you | would doubt |
| he/she/it | would doubt |
| we | would doubt |
| you | would doubt |
| they | would doubt |
| I | would have doubted |
| you | would have doubted |
| he/she/it | would have doubted |
| we | would have doubted |
| you | would have doubted |
| they | would have doubted |
| I | would be doubting |
| you | would be doubting |
| he/she/it | would be doubting |
| we | would be doubting |
| you | would be doubting |
| they | would be doubting |
| I | would have been doubting |
| you | would have been doubting |
| he/she/it | would have been doubting |
| we | would have been doubting |
| you | would have been doubting |
| they | would have been doubting |
| You | doubt |
| we | Let's doubt |
| You | doubt |