1What you did ............... wrong.
Wrong!
The noun clause "What you did" takes the singular verb "is".
2Walk carefully lest you ............... slip.
Wrong!
After "lest", the formal auxiliary "should" expresses prevention of a possible result.
3I was not invited ............... her birthday party.
Wrong!
The adjective phrase is "invited to" an event, so the correct preposition is "to".
4If he had received medical attention in time, he ............... .
Wrong!
In the third conditional, the main clause uses "would have survived" after a past perfect if-clause.
5Which of the following words does not normally have a plural form?
Wrong!
The uncountable noun "equipment" does not normally have a plural form.
6In the sentence "Trespassing is prohibited," trespassing is a ............... .
Wrong!
In this sentence, "Trespassing" is an -ing noun used as the subject, so it is a "gerund".
7He stood ............... the gate.
Wrong!
The phrase "in front of" means positioned before the gate and facing it or blocking it.
8Nobody came, ...............?
Wrong!
After the negative subject "Nobody", the tag is affirmative: "did they".
9Neither the manager nor his secretary ............... present.
Wrong!
With "neither... nor", the verb agrees with the nearer singular subject, so "was" is correct.
10To smell a rat is to ............... .
Wrong!
The idiom "suspect deception" means to think something dishonest is happening.
11Choose the correct passive form of the sentence "Send this letter by registered post."
Wrong!
The passive form of the imperative is "Let this letter be sent by registered post."
12My father ............... at 5:30 every day.
Wrong!
For a daily routine, use the present simple form "wakes up".
Done.
Score: 0/12
Answers
- What you did is wrong.
- Walk carefully lest you should slip.
- I was not invited to her birthday party.
- If he had received medical attention in time, he would have survived .
- Which of the following words does not normally have a plural form? — equipment
- In the sentence “Trespassing is prohibited,” trespassing is a gerund .
- He stood in front of the gate.
- Nobody came, did they?
- Neither the manager nor his secretary was present.
- To smell a rat is to suspect deception .
- Choose the correct passive form of the sentence “Send this letter by registered post.” — Let this letter be sent by registered post.
- My father wakes up at 5:30 every day.

