Вот подробное решение с пошаговым объяснением и готовым ответом на задачу.
Как образованы отрицательные формы в этих предложениях
- Для настоящего простого времени (present simple) у основного глагола в 3-м лице ед. ч. добавляют вспомогательный did + отрицание: не + базовая форма глагола. Обычно это записывают как does not + базовая форма глагола (или сокращение doesn't).
- Для прошедшего времени (past simple) используется did not (didn’t) + базовая форма глагола.
- Для будущего времени с will: will not (или won't) + базовая форма глагола.
а) Переводим в отрицательную форму предложения в Present Simple/Present Continuous по контексту (здесь простое настоящее)
- He checks and adjusts the brakes regularly.
- He does not check or adjust the brakes regularly. (или He doesn't check or adjust the brakes regularly.)
- They often apply these ideas in practice.
- They do not often apply these ideas in practice. (или They don't often apply these ideas in practice.)
- She really likes her choice of jewellery.
- She does not really like her choice of jewellery. (или She doesn't really like her choice of jewellery.)
б) Прошедшее время (Past Simple)
- Bob chose to learn German rather than French.
- Bob did not choose to learn German rather than French. (или Bob didn't choose to learn German rather than French.)
- He practised his painting techniques on unwanted pieces of wallpaper.
- He did not practise his painting techniques on unwanted pieces of wallpaper. (или He didn't practise his painting techniques on unwanted pieces of wallpaper.)
- We needed to take drastic steps to protect the environment.
- We did not need to take drastic steps to protect the environment. (или We didn't need to take drastic steps to protect the environment.)
- I went to the bank this morning.
- I did not go to the bank this morning. (или I didn't go to the bank this morning.)
- Jack did English at college.
- Jack did not do English at college. (или Jack didn't do English at college.)
- I watched television yesterday.
- I did not watch television yesterday. (или I didn't watch television yesterday.)
в) Будущее время с will
- This course will help students develop their speaking skills.
- This course will not help students develop their speaking skills. (или This course won’t help students develop their speaking skills.)
- The weather will be much warmer in the next few years.
- The weather will not be much warmer in the next few years. (или The weather won't be much warmer in the next few years.)
- She will teach the English language at our college.
- She will not teach the English language at our college. (или She won't teach the English language at our college.)
- The use of computers technology will spread into all fields of work.
- The use of computers technology will not spread into all fields of work. (или The use of computers technology won’t spread into all fields of work.)
- You will expand your vocabulary through reading.
- You will not expand your vocabulary through reading. (или You won’t expand your vocabulary through reading.)
- All the flats in the building will have the same layout.
- All the flats in the building will not have the same layout. (или All the flats in the building won’t have the same layout.)
Если хочешь, могу привести альтернативные варианты с сокращениями (don't/doesn't/won't) или разобрать любые сомнения по конкретным предложениям.