| I | collapse |
| you | collapse |
| he/she/it | collapses |
| we | collapse |
| you | collapse |
| they | collapse |
| I | have collapsed |
| you | have collapsed |
| he/she/it | has collapsed |
| we | have collapsed |
| you | have collapsed |
| they | have collapsed |
| I | collapsed |
| you | collapsed |
| he/she/it | collapsed |
| we | collapsed |
| you | collapsed |
| they | collapsed |
| I | had collapsed |
| you | had collapsed |
| he/she/it | had collapsed |
| we | had collapsed |
| you | had collapsed |
| they | had collapsed |
| I | will collapse |
| you | will collapse |
| he/she/it | will collapse |
| we | will collapse |
| you | will collapse |
| they | will collapse |
| I | will have collapsed |
| you | will have collapsed |
| he/she/it | will have collapsed |
| we | will have collapsed |
| you | will have collapsed |
| they | will have collapsed |
| I | am collapsing |
| you | are collapsing |
| he/she/it | is collapsing |
| we | are collapsing |
| you | are collapsing |
| they | are collapsing |
| I | have been collapsing |
| you | have been collapsing |
| he/she/it | has been collapsing |
| we | have been collapsing |
| you | have been collapsing |
| they | have been collapsing |
| I | was collapsing |
| you | were collapsing |
| he/she/it | was collapsing |
| we | were collapsing |
| you | were collapsing |
| they | were collapsing |
| I | had been collapsing |
| you | had been collapsing |
| he/she/it | had been collapsing |
| we | had been collapsing |
| you | had been collapsing |
| they | had been collapsing |
| I | will be collapsing |
| you | will be collapsing |
| he/she/it | will be collapsing |
| we | will be collapsing |
| you | will be collapsing |
| they | will be collapsing |
| I | will have been collapsing |
| you | will have been collapsing |
| he/she/it | will have been collapsing |
| we | will have been collapsing |
| you | will have been collapsing |
| they | will have been collapsing |
| I | would collapse |
| you | would collapse |
| he/she/it | would collapse |
| we | would collapse |
| you | would collapse |
| they | would collapse |
| I | would have collapsed |
| you | would have collapsed |
| he/she/it | would have collapsed |
| we | would have collapsed |
| you | would have collapsed |
| they | would have collapsed |
| I | would be collapsing |
| you | would be collapsing |
| he/she/it | would be collapsing |
| we | would be collapsing |
| you | would be collapsing |
| they | would be collapsing |
| I | would have been collapsing |
| you | would have been collapsing |
| he/she/it | would have been collapsing |
| we | would have been collapsing |
| you | would have been collapsing |
| they | would have been collapsing |
| You | collapse |
| we | Let's collapse |
| You | collapse |