February 25, 2021

Lesson 72. Prefixes of negation.

Revision

But for...

1. If I had known my friend wasn’t invited, I would have never come. 2. You would hardly recognize her with these glasses on if you met her. 3. If a passer-by hadn't helped us, we would not have found the way. 4. Mother would have had a short rest if the boy had gone to sleep. 5. We wouldn't have made friends with them if we hadn't stayed at the same hotel.

Grammar

Task 1. Add suitable prefixes to the adjectives given below:

  1. an __friendly look
  2. an __interesting book
  3. an __natural colour
  4. an __important task
  5. an __possible answer
  6. an __personal letter
  7. an __definite article
  8. an __correct answer
  9. __direct speech
  10. an __regular verb
  11. an __responsible person

Task 2. Choose the correct prefix to make negative forms of the adjectives.

1) He was short and overweight and generally fairly __attractive.

a) dis-; b) im-; c) in-; d) un- .

2) He’s a good teacher, but tends to be a bit __patient with slow learners.

a) un-; b) in-; c) im-; d) dis- .

3) It is an __logical statement, because if one part is true, then the other must be false.

a) dis-; b) il-; c) in-; d) un- .

4) It is __ polite to point at people.

a) dis-; b) im-; c) in-; d) un- .

5) My friend is very __responsible, he never does anything in time.

a) dis-; b) ir-; c) in-; d) un- .

6) He’s very __patient. He can’t work as a teacher.

a) dis-; b) im-; c) in-; d) un- .

7) He’s an __forgiving person. He never forgives people.

a) dis-; b) ir-; c) in-; d) un- .

Review

Watching and discussing

https://ed.ted.com/best_of_web/nOzzszgA

Homework

Task 1. Add suitable prefixes to the adjectives given below:

  • competent expected honest regular professional
  • logical possible literate pleasant direct popular clear polite important tidy
  • human fair true valid available critical responsible
  • flexible educated definite patient agreeable liberal

Task 2. Choose the correct option.