3-25. I don’t know if she knows me


Repeat after the tutor. 

  • Let’s see if he wins.
  • Ask your sister if she is busy tomorrow.
  • Ask him if he knows the answer.
  • I asked her if she was American.
  • I am not sure if she sold her book.
  • I am not sure if my parents agree with me.
  • I don’t know if he ate my cake.
  • I don’t know if this cake is sweet.
  • I don’t remember if I locked the door.
  • Do you know if this is new?
  • Do you know if he is an actor or not?
  • Do you remember if you turned off the light?
  • Do you know if this is a limited edition?
  • Does she know if this is true or not?
  • Can you find out if this is his computer?


Here are some grammar tips. 



Go over the following vocabulary and expressions with your tutor. Use the illustration above if needed.

Vocabulary/ Expressions

Expression Definition
limited edition (n) a special book, picture, medal, etc. for which only a small number of copies are produced and sold
The limited edition sneakers were around for only a short while.
belong (v) used to say that someone or something should be in a particular place or situation
She put the groceries where they belong.
legal (adj) of or relating to the law
Her paper was on the country’s legal system.
allergy (n) a medical condition that causes someone to become sick after eating, touching or breathing something that is harmless to most people
Let the teacher know if you have a food allergy.
behave (v) to act in an acceptable way: to act properly
Please behave in the restaurant.
attempt (v) to try to do something: to try to accomplish or complete something
His first attempt at a novel was weak.
guarantee (n) a promise that something will happen or be done, that something is true or real
The salesman will guarantee it will be the best mattress ever.
unknown (adj) not known, not well-known, not famous
Her illness came from an unknown source.
uncertain (adj) not exactly known or decided: not definite or fixed
Their time of departure was still uncertain.
with a grain of salt (idiom) to view something with skepticism or not to interpret something literally
Not knowing if it was real, he read the research with a grain of salt.


Go over the following exercise with your tutors. 

  1. Make a sentence.
    1. you / remember / he / do / if /us / take /skiing / promised / he (?)
    2. one / the / know / do / you / if / is / she (?)
    3. you / find / if / this / to / not / or / him / can / out / belongs (?)
    4. that / if / is / I / not / am / good / sure / idea / a
    5. is / I / if / will / out / find / legal / that 

    2. Correct the following sentences. 

    1. I am not sure if she decide to go
    2. Will you found out if he has an allergy to peanuts?
    3. I can’t speak to her if she is going to behaves that way
    4. There is no question that if Nellie wants to leave, she will not be come back.
    5. I wouldn’t be surprise if he ate all of the cake.

         3. Answer the following questions.

    1. Do you know if you have finished all your tasks for the day?
    2. Do you know if there are any important holidays coming up for you?
    3. What do you think would happen if we found out that aliens were real?

    4. (Homework) Write a paragraph.

    1. Write 10 sentences using the grammar you learned today.
    2. If Only: Include 5 ‘if’ statements, such as ‘If I do A, then B will happen”
    3. Too big to fail: Tell us about something you would attempt if you were guaranteed not to fail (and tell us why you haven’t tried it yet).


Go over any new expressions or vocabulary that you learned today.

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