Could in a Sentence?

Could sentence example. I had let so much gas out of my balloon that I could not rise again, and in a few minutes the earth closed over my head. The doctor thought I could not live. I could not help it.

Could used in a sentence?

In the sentence "We could have as many as ten people come to dinner tonight," could is used to say that it is possible that ten people will come to the speaker's home for dinner ("I think that it is possible we will have as many as ten people for dinner tonight.").

Where could is used?

Could: “Could” is used to express possibility. Something that could happen is not necessarily something that must happen. Could does not express desire or opinion. It is simply used to state one or more things that are possible (even if they are unlikely) or were possible in the past (even if they didn't happen).