UNIT 11 SOURCES OF ENERGY
PART E: Language focus
A.Objectives
Aim : By the end of the lesson Ss will be able to pronounce:
-the consonant clusters: [ʃr], [spl], and [spr] so that they can say them
correctly when saying individual words as well as sentences.
-Teaching students how to use participles and/or To-infinitive to
replace relative clauses.

Structures : - Present participle used to replace relative clauses
- Past participle used to replace relative clauses
- To-infinitive used to replace relative clauses
Teaching aids cassette or CD player, textbook
Techniques:role play, combine the sentences, pair work, group work
B.Procedure:

T

Contents T & Ss’activities
A). PRONUNCIATION
Stage 1 :

shrine splat spray
shrimp splat spring
shred splendid spread
shrewd split spree
shriek splendour sprinkle

Stage 2: Teacher writes the phonetic
symbols of these sounds on the board.
Act out so that students can repeat and

B.GRAMMAR:

Stage 1 :.
1. The boy who is running after the dog
is my brother.
- The boy running after the dog is my
brother.
2. Baseball is a game which is played
mainly in the United States.
reads them aloud and has
students repeat word by
word twice or three times.

Stage 4: The teacher acts
out the sentences in
Pronunciation on page 131
(Textbook) and has students
repeat. Have some students
read the sentences aloud
and correct mistakes when
necessary.

 Students listen and
repeat. Students then take
down the symbols and the
words in their notebooks.
- Baseball is a game played mainly in
the United States.
3. Paul was the only person who
discovered the mistake.

notes on the board for the students to
copy down, as follows:

V-ing phrase
(Active meaning) Replacing
"who/which/that+verb"
V-ed (p.p.) phrase
(Passive meaning) Replacing
"who/which/that+be+p.p."
To-infinitive phrase Replacing
"who/which/that"+verb"

Exercise 1: Rewrite the sentences ,
using a present participle phrase
Exercise 1: Suggested answers:
1. The boy playing the piano is Ben.
2. Do you know the woman coming  Students copy down the
sentences and the
Exercise 2: The teacher has
students work in pairs
again. Ask them to study
southern part of the country.
3. They live in a house built in 1890.
4. The photographs published in the
newspaper were extraodinary.
5. The experiment conducted at the
University of Chicago was successful.
6. They work in a hospital sponsored
by the government.
Exercise 3: Rewite the following
sentences , using an infinitive phrase.
Exercise 3: Suggested answers:
1. John was the last man to reach the
top of the mountain.
2. The last person to leave the room
must turn off the light.
3. The first person to see is Mr. Smith.
4. This is the second person to be
the example and then
rewrite the sentences. Have
them compare their answers
with their partners. The
teacher then asks some of