1. It's Gaukhar's birthday next Friday and she will have a party on Saturday.
2. He jumped into the lake in order rescue the boy.
3. When we got to London, we had being travelling for a long time.
4. This time tomorrow, I'm lying on a beach in the sun.
5. We must finish cleaning the kitchen before our parents are arriving.
6. They're going to cover the hole so to prevent future accidents.​

1. It WILL BE Gaukhar's birthday next Friday and she will have a party on Saturday.  

2. He jumped into the lake in order TO rescue the boy.

3. When we got to London, we had BEEN travelling for a long time.  

4. This time tomorrow, I WILL BE lying on a beach in the sun.

5. We must finish cleaning the kitchen before our parents ARRIVE.

6. They're going to cover the hole TO prevent future accidents.​