| I | lack |
| you | lack |
| he/she/it | lacks |
| we | lack |
| you | lack |
| they | lack |
| I | have lacked |
| you | have lacked |
| he/she/it | has lacked |
| we | have lacked |
| you | have lacked |
| they | have lacked |
| I | lacked |
| you | lacked |
| he/she/it | lacked |
| we | lacked |
| you | lacked |
| they | lacked |
| I | had lacked |
| you | had lacked |
| he/she/it | had lacked |
| we | had lacked |
| you | had lacked |
| they | had lacked |
| I | will lack |
| you | will lack |
| he/she/it | will lack |
| we | will lack |
| you | will lack |
| they | will lack |
| I | will have lacked |
| you | will have lacked |
| he/she/it | will have lacked |
| we | will have lacked |
| you | will have lacked |
| they | will have lacked |
| I | am lacking |
| you | are lacking |
| he/she/it | is lacking |
| we | are lacking |
| you | are lacking |
| they | are lacking |
| I | have been lacking |
| you | have been lacking |
| he/she/it | has been lacking |
| we | have been lacking |
| you | have been lacking |
| they | have been lacking |
| I | was lacking |
| you | were lacking |
| he/she/it | was lacking |
| we | were lacking |
| you | were lacking |
| they | were lacking |
| I | had been lacking |
| you | had been lacking |
| he/she/it | had been lacking |
| we | had been lacking |
| you | had been lacking |
| they | had been lacking |
| I | will be lacking |
| you | will be lacking |
| he/she/it | will be lacking |
| we | will be lacking |
| you | will be lacking |
| they | will be lacking |
| I | will have been lacking |
| you | will have been lacking |
| he/she/it | will have been lacking |
| we | will have been lacking |
| you | will have been lacking |
| they | will have been lacking |
| I | would lack |
| you | would lack |
| he/she/it | would lack |
| we | would lack |
| you | would lack |
| they | would lack |
| I | would have lacked |
| you | would have lacked |
| he/she/it | would have lacked |
| we | would have lacked |
| you | would have lacked |
| they | would have lacked |
| I | would be lacking |
| you | would be lacking |
| he/she/it | would be lacking |
| we | would be lacking |
| you | would be lacking |
| they | would be lacking |
| I | would have been lacking |
| you | would have been lacking |
| he/she/it | would have been lacking |
| we | would have been lacking |
| you | would have been lacking |
| they | would have been lacking |
| You | lack |
| we | Let's lack |
| You | lack |