1. By the time Lana ______ her studies, she ______ in HCM for 3 years.

2. By the time my mother arrived home, my brother________.

3. By the time he gets home, his son _____ in bed.

4. _____ 2022, John will have lived here for 10 years.

5. By the time the teacher ______ to the class, you will have completed these exercises.

6. By the time Anne ate breakfast, her brother _____

7. By the time he _____, his sister was asleep.

8. By the time he _____to school, Jenny had left.