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word in the box. Then summarize the use of pair nouns. ? The word pair is used for many things that are found in twos or have two parts. It is placed in front of the plural form of a noun. Step 3. Label each picture, using an expression including a word in the box. Then summarize the use of group nouns. ? A group noun is used to refer to people or things as a group. ? We can also use the words family, crowd and team to refer to people who appear collectively. Step 4. petition. Now let’s have a petition and see how much you know about group nouns and pair nouns? Step 5. Activity Please describe the following events with the pair nouns and group nouns that we have learned. ? In the Zoo ? The National Day Part B. Learn some words and information about archaeology. Step a picture of a famous archaeologist and ask questions. Who is he ? What is he ? Where is he? What is he doing? Step each picture, using an expression and words and information about archaeology Step 3 Students read Part A carefully, paying attention to the word in blue. Step 4 Students read and fill in the blanks of Part B. Step 5 Students have a group discussion ? Which s ubject are you interested in? ? What are you going to be when you grow up? Step the students to write out as many words about the subject as possible. Task 3. Homework 1. Remember the pair nouns and group nouns. 2. Preview the grammar. Grammar and usage (1) object