2 утвердительных
1) We should watch what we eat. - Мы должны следить за тем, что мы едим.
2) We should spend less time on our phones. - Нам следует проводить меньше времени с нашими телефонами.
2 отрицательных
1) We shouldn't eat junk food. - Мы не должны есть нездоровую пищу.
2) We shouldn't cheat in exams. - Мы не должны жульничать на экзаменах.
2 вопросительных
1) Should we stop using plastic bags? - Следует ли нам отказаться от использования пластиковых пакетов?
2) Should people continue to explore space? - Должны ли люди продолжать исследовать космос?
2 вопросительных с вопросительным словом
1) What should people do to protect nature? - Что люди должны делать, чтобы защитить природу?
2) How often should we wash our hands? - Как часто мы должны мыть руки?
1. She had written the letter by 3 pm yesterday.
2. We had finished the task by 6 o'clock.
3. Our University had bought that equipment by September.
4. We had finished our conference before the guests from Spain came.
5. The student had written his test before the bell rang.
1. Вчера она написала письмо к 15 часам.
2. Мы закончили задачу к 6 часам.
3. Наш университет купил это оборудование к сентябрю.
4. Мы закончили нашу конференцию до приезда гостей из Испании.
5. Студент написал тест до того, как прозвенел звонок.
negative
1.She had not written the letter by 3 pm yesterday.
2.We had not finished the task by 6 o'clock.
3. Our University had not bought that equipment by September.
4.We had not finished our conference before the guests from Spain came. 5.The student had not written his test before the bell rang.
interrogative
1. had she written the letter by 3 pm yesterday?
2. Had we finished the task by 6 o'clock?
3. Had our University bought that equipment by September?
4. Had we finished our conference before the guests from Spain came?
5. Had the student written his test before the bell rang?
Do you mind opening the window?
He denied participating in the crime.
I couldn't help agreeing with him.
He laughed. или He couldn't help laughing.