Make up sentences using the given words: 1. the/going/we/country/summer/in/are/to/spend.
2. you/have/work/the/your/will/show/finished/before/starts?
3. bad/a/if/he/homework/will/do/get/his/doesn’t/he/mark.
4. are/party/my/throwing/on/friends/a/Saturday .
5. sea/this/I/be/in/’ll/week/swimming/the/next/time.

1. We are going to spend the summer in the country.
- Explanation: This sentence states that the speaker and others will be spending their summer in a rural or non-urban area.

2. Will you have finished your work before the show starts?
- Explanation: This question is asking if the listener will complete their tasks before the performance begins. It implies that there is a deadline for completing the work.

3. If he doesn't do his homework, he will get a bad mark.
- Explanation: This sentence presents a conditional statement. It suggests that if a specific person fails to complete their homework, they will receive a negative grade or evaluation.

4. I am throwing a party for my friends on Saturday.
- Explanation: The speaker is declaring their intention to host an event for their friends on a specific day, which is Saturday.

5. I'll be swimming in the sea next time this week.
- Explanation: The sentence indicates that the speaker plans to swim in the ocean during the upcoming week. It implies that there will be a subsequent occasion or opportunity for them to engage in this activity.