Welcome all the teachers
to class 11B9
Unit 11: SOURCE OF ENERGY
E- Language focus (p. 131)
Pronunciation
Grammar
Fun! Fun!!
/∫r/
shred
shrill
shrimp
shrine
/∫r/ - /spl/ - /spr/
/spl /
splash
split
spleen
splutter
/spr /
spring
spray
spread
sprightly
5. The stream splits into three smaller streams at this point.
1. They were all shrieking with laughter.
2. He shrugged (his shoulders), saying he didn’t know and didn’t care.
3. My dad hates shrimp paste.
4. What a splendid spring day!
6. The house has a narrow front, but it splays out at the back.
The girl ____________ is Mary.
Mary
Daisy
Relative clause
Relative clauses replaced by
participles or to infinitives
(p. 131)
The girl who is drawing is Mary.
Exercise 1
- The man who spoke to John is my brother.
The man speaking to John is my brother.
S V
(Relative clause)
V-ing ( present participle)
(Reduced clause)
S V  V-ing
1. The boy who is playing the piano is Ben.
2. Do you know the woman who is coming toward us?
3. The people who are waiting for the bus in the rain are getting wet.
 The boy playing the piano is Ben.
 Do you know the woman coming toward us?
 The people waiting for the bus in the rain are getting wet.
5. The fence which surrounds our house is made of wood.
4. The scientists who are researching the causes of cancer are making progress.
6. We have an apartment which overlooks the park.
 The scientists researching the causes of cancer are making progress.
 The fence surrounding our house is made of wood.
 We have an apartment overlooking the park.
Exercise 2
- The Sport Games which were held in India in 1951

were the first Asian Games.
 The Sport Games held in India in 1951 were the

first Asian Games.
S be PP (Past Participle)
past participle
S be PP  PP (V3/ed)
1. The ideas which are presented in that book are interesting.
2. I come from a city that is located in the southern part of the country.
3. They live in a house that was built in 1890.
 The ideas presented in that book are interesting.
 I come from a city located in the southern part of the country.
 They live in a house built in 1890.
5. The experiment which was conducted at the University of Chicago was successful.
4. The photographs which were published in the newspaper were extraordinary.
6. They work in a hospital which was sponsored by the government.
 The photographs published in the newspaper were extraordinary.
 The experiment conducted at the University of Chicago was successful.
 They work in a hospital sponsored by the government.
Exercise 3
- Yuri Gagarin was the first man who flew into space.
 Yuri Gagarin was the first man to fly into space.
S V
To inf (infinitive)
The 1st/ 2nd/.. + Noun + SV  ….to inf



The next / only / last
The superlative
1. John was the last man who reached the top of the mountain.
2. The last person who leaves the room must turn off the light.
3. The first person that we must see is Mr. Smith.
 John was the last man to reach the top of the mountain.
 The last person to leave the room must turn off the light.
 The first person to see is Mr. Smith.
5. The first person who catches the ball will be the winner.
4. This is the second person who was killed in that way.
 This is the second person to be killed in that way.
 The first person to catch the ball will be the winner.
Comprehension
Exercise
1. The book which was written by Robert gets lots of attention.
2. She was the fourth woman who finished the race.
3. The people who work here are very interesting.
4. He was the only student who was helped.
5. She likes the boy who came here this morning.
 The book written by Robert gets lots of attention.
 She was the fourth woman to finish the race.
 The people working here are very interesting.
 He was the only student to be helped.
 She likes the boy coming here this morning.
Do the exercise 1,2,3,4
(p. 41) / workbook