W. A. Ward Dear English Teachers!

I think you should study hard to achieve success. We must respect elder 
people. 
Ask your students to find out if there are any differences in meaning between 
must
and 
should
. Tell students to give their own examples using the same 
structure. establish that 
should
is used for giving advice. 
Must
is used to express 
strong obligation, often used for laws and rules. Ask your students to study the 
table with grammar focus. Guide them. Explain where necessary and give more 
examples. Prepare them in advance. 
1. 
Ask students to complete the sentences with 
should, must, mustn’t, have to, 
don’t have to
. There are 15 sentences divided into three sections according to 
the use of modals. Tell students to work individually. Check correct answers in 
a whole class discussion.
answers:
should, must/mustn’t.
e.g.
i think you 
should
know about 
priority organiser. it’s good for your 
future plans.
1. students 
must
behave well when 
they’re in class.
2. If you drive a car, you 
must
stop at 
marked crossings.
3. i think waiters 
should
try to be 
pleasant with customers.
4. some workers 
must
wear helmets 
because their jobs are considered to 
be dangerous.
5. if you feel sick, you 
should 
stay at 
home. it’s better for you.
must and have to
6. i 
have to
do my homework. My 
teacher always checks if we have 
done the exercises.
7. We 
have to
organise our portfolio. 
At the end of the term it will be marked.
8. i 
must
study hard. i want to pass 
the exam.
9. in Uzbekistan, children