Page 97
• Infinitives
• Quantifiers
I can use quantifiers to express quality and infinitives with to or without to.
Infinitives
1. Choose ONE option to complete the sentence.
1. I really want (to see / see) Bến Thành Market and the War Remnants Museum.
2. Which gate do we need (go / to go) to?
3. We (have to / have) go to Gate 34, Terminal 1.
4. We must (to catch / catch) the shuttle to Terminal 1.
2. Look at the sentences in exercise 1 and complete the Rules.
| RULES |
| The infinitive is the basic form of a verb. We can use it with to or without to. We use infinitives - _________ after ordinary verbs like want, need and others. - _________ modal verbs like must, should and others. |
3. Complete the sentences with the correct form of the verbs in the brackets.
1. Do you want _________ with me? (go out)
2. Can you _________ me? (help)
3. Would you like _________ with me? (dance)
4. They must _________ hard. (work)
5. You shouldn't _________ late. (stay up)
6. You don't need _________ this exercise. (do)
7. You don't have to _________ her phone. (answer)
8. We must _________ helmets while riding a motorbike. (wear)
Remember!
Typical mistakes
English learners often have mistakes like these:
- We haven't to go to school on Sundays. (don't have to go)
- He / She hasn't to wear uniforms. (doesn't have to wear)
4. Write the negative and interrogative forms of these affirmative sentences.
1. Susan has to get up early.
___________________________________________?
2. Peter has to do five exercises.
___________________________________________?
3. They have to wear ties at work.
___________________________________________?
4. People have to wear masks at public places.
___________________________________________?
Quantifiers
5. Fill in the blanks with some, any or a lot of / lots of.
Remember!
We use lots of / a lot of with countable and uncountable nouns.
1. Let's stop and get _________ petrol at the petrol station.
2. There are _________ cars on the street, so they cause traffic jams every day.
3. If we don't use _________ fossil fuels, our environment won't be polluted.
4 People use _________ solar panels to replace non-renewable sources of energy.
6. 
USE IT! Work in pairs. Tell the other what you want to do, need to do and must do when you go home every day.
Finished?
Think of more sentences using infinitives with to or without to.
