The activist delivered a speech, and then the crowd started chanting. (after)
After the activist delivered a speech, the crowd started chanting.
She didn’t get arrested because she left the protest early. (suppose)
Suppose she hadn’t left the protest early, she would have gotten arrested.
He will finish writing his article and then he will post it online. (when)
When he finishes writing his article, he will post it online.
She always talks to a teacher before reporting an incident. (before)
She doesn’t report an incident before she talks to a teacher.
We should take action now to prevent further environmental damage. (in case)
We should take action now in case there is further environmental damage.
Don’t sign the petition if you don’t agree with its purpose. (unless)
Unless you agree with its purpose, don’t sign the petition.
They refused to work because their conditions were unfair. (wouldn’t)
They wouldn’t have gone on strike if their conditions had been fair.
I didn’t support the campaign because I didn’t know about it. (if)
If I had known about the campaign, I would have supported it.
Rephrase: You should volunteer to help in your community. (were)
If I were you, I would volunteer to help in my community.