1. They say that fish is good for the brain. It
Fish
2. People think that we use a small percentage of our brain power.
It
We
3. They claim that we remember things we hear in our sleep.
It
We
4. People believe that solving puzzles keeps the brain active.
It
Solving puzzles
5. Experts have proved that exercise is good for concentration.
It
Exercise
6. People say that the exams are disastrous.
It
The exam
7. People know that the sun shines itself.
It
The sun
8. The students say that the exercise wasn't easy
It
Answers
Answer:
The sentences in this question are all examples of the use of "it" as a subject pronoun in place of a noun that was previously mentioned or implied. This grammatical structure is known as "impersonal it" and is used to make general statements or convey information without specifying the source of that information.
Explanation:
In the first sentence, "it" is used to refer to "fish" which is good for the brain. In the second sentence, "it" refers to the idea that a small percentage of brain power is used. In the third sentence, "it" refers to the claim that we remember things we hear in our sleep. In the forth sentence, "it" refers to the belief that solving puzzles keeps the brain active. In the fifth sentence, "it" refers to the idea that exercise is good for concentration. In the sixth sentence, "it" refers to the exams being disastrous. In the seventh sentence, "it" refers to the sun shining itself. In the eight sentence, "it" refers to the exercise not being easy.
In conclusion, the sentences use "it" as an impersonal subject to make general statements or convey information without specifying the source of that information.
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Answer:
1.
a) It's said that fish is good for the brain.
b) Fish is said to be good for the brain.
2.
a) It is thought that we use a small percentage of our brain power.
b) We use a small percentage of our brain power.
3.
a) It is claimed that we remember things we hear in our sleep.
b) we remember things we hear in our sleep.
4.
a) it is believed that solving puzzles keeps the brain active
b) solving puzzles keeps the brain active.
5.
a) it is proved that little exercise is good for our concentration
b) exercise is good for our concentration.
6.
a) it is said that exams are disastrous
b) the exams is disastrous
7.
a) it is known that the sun shines itself
b) the sun shines itself
8.
a) it is said that the exercise wasn't easy.
b) the exercise wasn't easy.