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    Learn English > English lessons and exercises > English test #113495: Do/does/did: affirmative, interrogative and negative forms
    > Other English exercises on the same topics: BE, HAVE, DO, DID, WAS... | Past | Present [Change theme]
    > Similar tests: - Placement test : grammar for beginners - Two presents: present continuous, present simple - Present simple - Past simple or present perfect - Present simple or continuous - Past tenses - Questions : how to ask them - Past simple (video)
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    Do/does/did: affirmative, interrogative and negative forms

    Let's come back to fundamentals, those which, if they're not properly mastered, stop and unsettle true (and false) beginners willing to improve their English and understand how this simple phenomenon works. 


    There are auxiliaries such as "BE" and "HAVE", and those that young (and older) beginners know (can/ can't/ must/ mustn't) and then comes the tricky need to turn these "ordinary" verbs ( arrive, come, play, work, walk, run, etc.) into interrogative and negative forms - You must have noticed that they are both regular AND irregular verbs). 

    Yet, it's quite easy to do that, and we're going to do it together.

    1.     1. The affirmative form of "ordinary" verbs:  "ordinary" verbs follow the pattern: subject + verb + complements.

    ·                -  The kids watch cartoons every day after school.

         - Jesse usually plays tennis on Saturday afternoons. 





        2. Let's turn an "ordinary" verb into the interrogative form: then, we must use what is called an "auxiliary" which helps us build our structure: it will be the auxiliary DO. In the third person singular, it becomes DOES; both will follow the pattern:

       AUXILIARY + subject + base verb + ?


     - Do the kids really watch cartoons every day after school?

    ·          - Does Jenny usually play tennis on Saturday afternoons?

       3. Let's turn an ordinary verb into the negative form: we'll use the  DO/DOES auxiliary again and it will be followed by NOT according to the following pattern:  Subject + DO/DOES + not + base verb + complements... 


      - The kids don't really watch cartoons every day after school. That's too much TV!

      - Jenny doesn't play tennis on Saturday afternoons but she plays on Wednesday afternoons.


       4. Learn to make a difference between DO/DOES (the auxiliary) and the "ordinary" verb DO/DOES ("I do my work after school"). This very ordinary verb follows the pattern which was described above.

    ·              -  Tom does his homework after school. 

    ·              -  Does Tom do his homework at school or after school?

    ·               - Tom doesn't do his homework after school.

     5. When DO becomes DID: in the preterite, (in the past simple  ) the auxiliary of "ordinary" verbs, the auxiliary becomes  DID  all along and follows the same patterns as DO/DOES in the interrogative and negative forms.

       - Yesterday,  Jenny played tennis all morning!

       - Did Jenny play tennis in the morning ? Yes, she did.

       - Jenny didn't play tennis in the afternoon, yesterday.




    That's very "easy" when you get used to it, but it is so useful and fundamental... The same process will be adapted to all the other auxiliaries you'll meet as you progress in your knowledge of English. Good luck!


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    1. Lucy likes chocolate and making chocolate cakes. She wants to make one with her mum. ' six eggs out of the fridge?”
    No Lucy, we six eggs, but only four.”
    2. 'How much chocolate powder ?' “Well! I chocolate powder, but I need 200 g of black chocolate.'
    3. 'If you the flour correctly, there’ll be lumps.'
    4. “ When the butter?' 'Right at the beginning, but do you have enough butter, Mom? We any butter.' “I’m afraid we enough butter. 'If you to the shop, we won’t make this cake.”
    5. 'I doing this sort of shopping usually, but I’ll go now... Are you sure we have enough chocolate? I to go there twice.”
    “Well, Lucy, if you the chocolate I bought yesterday, we would have enough…'
    “Err … Well Mum! I think we more chocolate, then…”
    Greedy Lucy!





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