Present progressive:
- I am harvesting
- We/you/they are harvesting
- He/she/it is harvesting
Present perfect progressive:
- I/we/you/they have been harvesting
- He/she/it has been harvesting
Past progressive:
- I/he/she/it was harvesting
- We/you/they were harvesting
Past perfect progressive:
- I/we/you/they/he/she/it had been harvesting
Future progressive:
- I/we/you/they/he/she/it will be harvesting
Future perfect progressive:
- I/we/you/they/he/she/it will have been harvesting
