Mexico

Tacos

Tequilla Mayan Temple

Egypt

Falafel Kofta Kebab

Pyramids Nile River

Switzerland/Swiss

Fondue Rösti

Geneva Lake

must & have to

must have to

• We are certain that something is true

• Indicates a strong obligation (personal/internal)

• We are certain that something is true

• Indicates a strong obligation (external)

I must learn to pass the entrance test to

the university.

I must finish this report by today, my boss is

very strict.

mustn't & don’t have to

mustn’t don’t have to

• expresses the idea that something is prohibited

• expresses the idea that something is not required

You mustn’t smoke here.

They don’t have to take the test anymore.

should & can

should can

• We should go now, it’s going to rain.

shouldn’t

• We shouldn’t go now, our teacher is about to come to this class.

• You can meet Mr. Kobayashi after 1PM

cannot

• You cannot call him this weekend, he is going to have an operation.

Situations• One of the waitress

spilled a glass of water on the guest’s table.

• A man is smoking at the child’s playground.

• You have an urgent family matters during workdays.

• One of your employees play games on his/her cellphone during work time.

• Your director is expecting monthly report by next week.

• A guest asked whether she can park her car in front of the gate or not.