Understanding 'Must' and 'Mustn't' Usage

The video lesson for grade 4 students covers the use of 'must' and 'mustn't' to express obligation and prohibition. It includes explanations, examples, and exercises to help students understand and apply these concepts in speaking and writing. The lesson also involves workbook activities and a writing task focused on COVID-19 safety measures.

What is the main focus of today's English lesson?

• Exploring new vocabulary words

• Practicing reading comprehension

• Studying 'must' and 'mustn't' for obligation and prohibition

• Learning about past tense verbs

Which page in the student's book contains today's lesson?

• Page 100

• Page 120

• Page 110

• Page 130

What does 'must' indicate in a sentence?

• A suggestion

• A possibility

• An obligation

• A question

What is the correct use of 'must' in a sentence?

• You must to go to the dentist.

• You must gone to the dentist.

• You must go to the dentist.

• You must going to the dentist.

What does 'mustn't' express in a sentence?

• A permission

• A prohibition

• A suggestion

• A question

Which of the following is an example of prohibition?

• You must visit your dentist.

• You mustn't eat sweets.

• You must brush your teeth.

• You must drink water.

In the activity, what should you do if it's cloudy?

• Stay indoors

• Wear a hat

• Take an umbrella

• Wear sunglasses

What advice is given for riding a bike?

• You must wear a helmet.

• You mustn't ride alone.

• You must take a map.

• You mustn't ride too fast.

What should you do if you have a sore throat?

• Drink cold water

• Eat ice cream

• Take a cold shower

• Drink warm tea

What is the advice for a hot pan?

• You mustn't touch it.

• You must touch it carefully.

• You mustn't look at it.

• You must move it.