have positive/negative effect, express an opinion, cause concern, provide a benefit, do research, get (good) grades at school, use a computer/smartphone, take part in online…

Для выполнения задачи, давайте составим по одному предложению с каждой из заданных фраз:

1. have positive/negative effect:
   • The new policy can have a positive effect on employee morale.
2. express an opinion:
   • It's important to express your opinion in a respectful manner during discussions.
3. cause concern:
   • The recent drop in sales numbers is causing concern among the management team.
4. provide a benefit:
   • Regular exercise can provide many benefits for both physical and mental health.
5. do research:
   • Scientists are constantly doing research to advance our knowledge in various fields.
6. get (good) grades at school:
   • Studying regularly and seeking help when needed can help you get good grades at school.
7. use a computer/smartphone:
   • Nowadays, most people use a computer or smartphone in their daily lives for work and communication.
8. take part in online games:
   • Many young people enjoy taking part in online games as a form of entertainment and social interaction.
9. make a decision:
   • It's important to weigh the pros and cons before making an important decision that can impact your future.

Эти предложения помогут вам понять, как использовать данные фразы в контексте коммуникации на английском языке.