| I | sign |
| you | sign |
| he/she/it | signs |
| we | sign |
| you | sign |
| they | sign |
| I | have signed |
| you | have signed |
| he/she/it | has signed |
| we | have signed |
| you | have signed |
| they | have signed |
| I | signed |
| you | signed |
| he/she/it | signed |
| we | signed |
| you | signed |
| they | signed |
| I | had signed |
| you | had signed |
| he/she/it | had signed |
| we | had signed |
| you | had signed |
| they | had signed |
| I | will sign |
| you | will sign |
| he/she/it | will sign |
| we | will sign |
| you | will sign |
| they | will sign |
| I | will have signed |
| you | will have signed |
| he/she/it | will have signed |
| we | will have signed |
| you | will have signed |
| they | will have signed |
| I | am signing |
| you | are signing |
| he/she/it | is signing |
| we | are signing |
| you | are signing |
| they | are signing |
| I | have been signing |
| you | have been signing |
| he/she/it | has been signing |
| we | have been signing |
| you | have been signing |
| they | have been signing |
| I | was signing |
| you | were signing |
| he/she/it | was signing |
| we | were signing |
| you | were signing |
| they | were signing |
| I | had been signing |
| you | had been signing |
| he/she/it | had been signing |
| we | had been signing |
| you | had been signing |
| they | had been signing |
| I | will be signing |
| you | will be signing |
| he/she/it | will be signing |
| we | will be signing |
| you | will be signing |
| they | will be signing |
| I | will have been signing |
| you | will have been signing |
| he/she/it | will have been signing |
| we | will have been signing |
| you | will have been signing |
| they | will have been signing |
| I | would sign |
| you | would sign |
| he/she/it | would sign |
| we | would sign |
| you | would sign |
| they | would sign |
| I | would have signed |
| you | would have signed |
| he/she/it | would have signed |
| we | would have signed |
| you | would have signed |
| they | would have signed |
| I | would be signing |
| you | would be signing |
| he/she/it | would be signing |
| we | would be signing |
| you | would be signing |
| they | would be signing |
| I | would have been signing |
| you | would have been signing |
| he/she/it | would have been signing |
| we | would have been signing |
| you | would have been signing |
| they | would have been signing |
| You | sign |
| we | Let's sign |
| You | sign |