1 Adjective + infinitive; noun + infinitive
For a bad headache, you should relax. It's a good idea to relax.
Learning objectives: practice using infinitive complements; ask for and give advice using infinitive complements.
You should get a lot of rest.
You should eat garlic soup.
You should can be replaced by It's important to and It's helpful to.
It's important to + verb
It's helpful to + verb
Additional positive infinitive complements
It’s useful to
It’s best to
It’s essential to
Negative infinitives
It’s important not to
It’s best not to
▶ In negative statements, not comes before the infinitive
With a cold, it's important not to exercise too hard.
Rewrite the sentences using the words in parenthesis. Add not when necessary.
1. For a bad headache, you should relax and close your eyes. (a good idea)
It's a good idea to relax and close your eyes when you have a headache.
2. You should put some cold tea on that sunburn. (sometimes helpful)
3. For a backache, you should take some pain medicine. (important)
4. For a cough, youi shouldn't take a hot bath. (sometimes helpful)
6. When you feel stressed, you shouldn't drink a lot of coffee. (a good idea)