1. Trần Thị Phương Thảo
A. Objectives
- Understand the way to use Must/mustn’t.
- Understand and use Must/mustn’t in the simple situation.
- Apply Must/mustn’t in many kinds of different exercises.
B. Lessonplans
Time Names of activities Steps Step aims
07mi
ns Check the old lesson
Students go to the board and do exercises 1 and
exercises 2
Review the
old
knowdge.
13mi
ns
Video
Comprehension.
https://www.youtube.
com/watch?v=ryVLJh
Ntn9o
-Tell students they are going to watch a short clip
about how to grow your money.
-Students look at the four sentences and discuss in
pairs if they are true or false. Explain any new
vocabulary.
A, You must work hard.
B, You must spend your money on treats.
C, You mustn’t blow your money.
D, You mustn’t seat on a goal.
-Play the clip (9.00-10.10) and get students to
check their answers in pairs.
-Feedback as appropriate.
Answers: a) T b) F c) T d) F
Understand
the usages
of “Must”
and “Must
not”
20mi
ns
Must/Mustn’t –
practice.
-Without looking at the worksheet the students
discuss what things they must or mustn’t do in
class. Feedback by nominating some students to
share their ideas.
- In pairs, students look at the phrases in the top
half of the table and put them in the correct
column. Feedback as appropriate. Answers:
Must Mustn’t
Bring a pen to class
arrive on time listen
to your teacher wear
uniform do your
homework
Fight in class
cheat in tests shout
in class eat food in
class and bring
pets to class
-Without looking at the worksheet the students
discuss what things they must or mustn’t do in a
museum. Feedback by nominating some students
to share their ideas. In pairs, students reorder the
words to make the correct rules.
Make
complete
sentences
with “Must”
and “Must
not” and
speak
fluently.
Use “must”
or “mustn’t”

2. Answers:
a. You must be quiet.
b. You mustn’t take photos.
c. You must be careful.
d. You mustn’t touch the exhibits.
e. You mustn’t run around.
f. You must follow the rules.
- Teacher checks form with students –
Must/mustn’t + base form / infinitive
- In pairs, students write some rules for the
swimming pool / library. Fast finishers can check
with another pair. Feedback by nominating
students to read out their rules.
Possible answers:
Library:
You musn’t eat or drink.
You must return the books.
You must speak quietly.
You mustn’t run.
Swimming pool:
You must wear a swimming costume.
You mustn’t spit.
You mustn’t run.
You must obey the lifeguards.
to do in a
museum.
Remember
the form of
the verbs
after
Must/mustn’
t
Do the
exercises to
imphrases
the
knowdge of
grammar in
the lesson
C. Consolidation.3 mins
Repeat the main things in the lesion.
Call one or two students to repeat the using of Must/mustn’t.
D. Homework. 2 mins
Learn by heart the structure of grammar.
Make 5-10 sentences use Must/mustn’t in your notebook.