Grammar Video|Pre-Int|14. Uses of the infinitive


Uses of the infinitive

Pre-Intermediate

«To» is a short word, but it can express a lot

pic1_Grammar Video|Pre-Int|L14

Examples

Do you want to learn how to make soap at home?

It’s really easy to make it if you have the right ingredients. You need to find olive oil, palm oil, shea butter, some water and sodium hydroxide. Add lemon oil to make the soap scented. Use safety equipment and try not to touch anything without gloves.

Forms

Infinitive (the basic verb form)
+ I want to visit my niece.

«to visit» = positive form

He tries not to miss classes.

«not to miss» = negative form

Usage

🔹After adjectives

It’s easy to make soap at home.

It’ll be nice to meet new people at the party.

🔹To say why you do something

Add lemon oil to make the soap scented.

Mike needs some money to buy a new phone.

🔹After certain verbs which have to be memorised:

want to

need to

would like to

decide to

forget to

help to

remember to

try to

learn to

be able to

hope to

offer to

plan to

pretend to

promise to

start to

I decided not to stay at this hotel.

He promised to help me out.

*start can be used with both the infinitive and Ving with no real difference in meaning

Give the correct infinitive form of these verbs (do not use ‘to’ and do not capitalize the verbs)


Click on the words to build sentences


Make a new sentence using the verb in brackets

Read and mark the sentences as correct or incorrect


Complete the sentences with the following verbs

  • Lesson
  • Homework
  • Homework
  1. 1. Grammar video|Pre-Int|1. May or Might
  2. 2. Grammar video|Pre-Int|2. Modal Verbs (Have to, Don't have to, Must, Mustn't)
  3. 3. Grammar video|Pre-Int|3. Should, shouldn't
  4. 4. Grammar Video|Pre-Int|4. Questions With and Without Auxiliaries
  5. 5. Grammar Video|Pre-Int|5. Word Order in Questions
  6. 6. Grammar Video|Pre-Int|6. Conjunctions
  7. 7. Grammar Video|Pre-Int|7. Relative Clauses
  8. 8. Grammar Video|Pre-Int|8. Reported Speech
  9. 9. Grammar Video|Pre-Int|9. Expressing Movements
  10. 10. Grammar Video|Pre-Int|10. Passive voice
  11. 11. Grammar Video|Pre-Int|11. Phrasal Verbs
  12. 12. Grammar Video|Pre-Int|12. So Neither + Auxiliary
  13. 13. Grammar Video|Pre-Int|13. Used to
  14. 14. Grammar Video|Pre-Int|14. Uses of the infinitive
  15. 15. Grammar Video|Pre-Int|15. Verb + ing
  16. 16. Grammar Video|Pre-Int|16. Present Simple
  17. 17. Grammar Video|Pre-Int|17. Past Simple
  18. 18. Grammar Video|Pre-Int|18. Present Continuous
  19. 19. Grammar Video|Pre-Int|19. Past Continuous
  20. 20. Grammar Video|Pre-Int|20. Present Perfect
  21. 21. Grammar Video|Pre-Int|21. Be going to
  22. 22. Grammar Video|Pre-Int|22. Will
  23. 23. Grammar Video|Pre-Int|23. Present Continuous for Future
  24. 24. Grammar Video|Pre-Int|24. Quantifiers
  25. 25. Grammar Video|Pre-Int|25. Something, anything, nothing, etc.
  26. 26. Grammar Video|Pre-Int|26. Comparatives
  27. 27. Grammar Video|Pre-Int|27. Superlatives
  28. 28. Grammar Video|Pre-Int|28. First Conditional
  29. 29. Grammar Video|Pre-Int|29. Second Conditional
  30. 30. Grammar Video|Pre-Int|30. Past Perfect Simple