Давайте разберем предложения и исправим ошибки, связанные с использованием формы "used to". Эта форма используется для обозначения действий или состояний, которые происходили в прошлом, но больше не происходят.
- His parents used to split up after he was born. - Это предложение корректно, так как "used to" здесь используется правильно.
- Do you usually tell a close friend about your problems? - Это предложение не связано с "used to", оно корректно в своем контексте.
- My sister didn't use to want children, but now she has four! - Здесь нужно изменить "didn't use to" на "didn't used to". Правильный вариант: "My sister didn't used to want children, but now she has four!"
- I didn't used to like my math teacher when I was in school. - Здесь ошибка в форме. Правильный вариант: "I didn't use to like my math teacher when I was in school."
- They used to go on vacation every year. - Это предложение также корректно и не требует изменений.
- That couple has three kids, so they don't use to go out at night. - Здесь необходимо изменить "don't use to" на "don't used to". Правильный вариант: "That couple has three kids, so they don't used to go out at night."
- Where did your parents use to meet when they first went out? - Это предложение корректно, так как "use to" используется правильно в вопросительной форме.
- My husband use to work for a bank, but now he's unemployed. - Здесь нужно изменить "use" на "used". Правильный вариант: "My husband used to work for a bank, but now he's unemployed."
- We love the theater. We usually go to a play at least once a month. - Это предложение не связано с "used to", оно корректно в своем контексте.
Таким образом, исправленные предложения выглядят следующим образом:
- His parents used to split up after he was born.
- Do you usually tell a close friend about your problems?
- My sister didn't used to want children, but now she has four!
- I didn't use to like my math teacher when I was in school.
- They used to go on vacation every year.
- That couple has three kids, so they don't used to go out at night.
- Where did your parents use to meet when they first went out?
- My husband used to work for a bank, but now he's unemployed.
- We love the theater. We usually go to a play at least once a month.