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Lesson 11:
Link: How to choose the right auxiliary
My mark: 76.5
Wrong sentence:
1.Don't worry, obviously, he hasn't[ tell lies in such circumstances.
Correct: wouldn't
Explanation: For the speaker, the fact is clear

3.I shall like to receive such a present.
Correct: Shouldn't
Explanation: <To like > is always followed by an infinitive when preceded by “would”.

5.You shouldn't never eat so much ice cream now. You’ll be sick.
Correct: should
Explanation: <Should > is here the auxiliary expressing both a piece of advice and a reproach.

7.You wouldn't drive over 60 on that road; it’s too dangerous.
Correct: Mustn't
Explanation: “Mustn’t” here indicates an interdiction.

Lesson 12:
Link: Learn English: to be in present simple
My mark: 100

Lesson 13
Link: Passive-active
My mark: 30
Wrong sentence:
2)We shall miss her... ! She shall be missed
Correct: will be missed

4)Nobody had expected to be confined again! Being confined again had been expected
Correct: hadn't been expected

5)Children don't like this syrup at all! This syrup wasn't liked
Correct: isn't liked

6)Do you need any translator to understand what is said? was any translator needed
Correct: Is any translator needed

8)She should take her umbrella, it's raining! Her umbrella should been taken
Correct: should be taken

9)They were building a new school when we were there...A new school 's going to been built
Correct: was being built

10)They smoke herrings in the Northern Countries. Herrings were smoken
Correct: are smoked

*****Structure:
1)Present simple
Active: S + V(s/es) + O
Passive: S + am/is/are + P2

2)Present continuous:
Active: S + am/is/are + V-ing + O
Passive: S + am/is/are + being + P2

3)Present perfect:
Active: S + have/has + P2 + O
Passive: S + have/has + been + P2

4)Past simple:
Active: S + V(ed/Ps) + O
Passive: S + was/were + P2

5)Pass continuous:
Active: S + was/were + V-ing + O
Passive: S + was/were + being + P2

6)Past perfect:
Active: S + had + P2 + O
Passive: S + had + been + P2

7)Future
Active: S + will + V-infi + O
Passive: S + will + be + P2

8)Future perfect
Active: S + will + have + P2 + O
Passive: S + will + have + been + P2

9)Be going to
Active: S + am/is/are going to + V-infi + O
Passive: S + am/is/are going to + be + P2

10)Modal
Active: S + modal verb + V-infi + O
Passive: S + modal verb + be + P2

Lesson 4
Contractions and auxiliaries
My mark: 81.5
**Wrong sentence:
2. Your cousin’s optimistic. He’s told you that he’d pass all his exams in June; he’d better study seriously, but he’d rather have fun with his friends.
Correct: would
Explanation: "He'd rather" = He would rather" expresses a wish, something which isn't realised at that moment, which is still unreal.
5. He’d hit me before I’d found the opportunity to punch him too
Correct: had hit me
Explanation: Here is a difficulty that you have to overcome. "Hit" may be either "the infinitive without to", or the preterite, or even the past participle. If we look at the end of the sentence closely, we'll find out that "hit" can here only be a past participle and a part of a past perfect. => "He had hit"
before I’d found = had found the opportunity to punch him too.
"Before I'd found" = "before I had found" => the contraction of "had", a part of the past perfect.

Lesson 5:
Do - don't - does - doesn't
My mark: 90
**Wrong sentence:
7. It is a really cheap restaurant, it don't cost much to eat there.
Correct: Doesn't
Explanation: verb form He/She/It +does

Lesson 6:
Do/does/did: affirmative, interrogative and negative forms
my mark: 77
**Wrong sentence:
1.Lucy likes chocolate and making chocolate cakes. She wants to make one with her mum.' don't I take six eggs out of the fridge?”
No Lucy, we don't wanna six eggs, but only four.”
Correct: do I take
Explanation:
Lucy wants to make a chocolate cake with her mum and offers to take eggs from the fridge: interrogative form of an "ordinary" (irregular) verb=> "Do I take...?"

5.“Well, Lucy, if you didn't ate the chocolate I bought yesterday, we would have enough…'
Correct: didn't eat
Explanation: "Yesterday I bought" implies the use of the negative auxiliary "didn't eat".

+“Err … Well Mum! I think we had bought more chocolate, then…”
Correct: Have to buy
Explanation: We have to buy" is the equivalent of the modal auxiliary "must", expressing an obligation.