To enable students Find out the difference Show two ways of expressing a to understand why between"It is adj.to do people prefer to say sentence and ask students to sth.”and "To do sth.is "It is adj.to do compare them. adj." sth.” Step 3 To help students to understand four Grammar Give students some sentences and Try to summarize the sentence patterns learning ask them to summarize the sentence sentence pattern of each about using it as the --Usage Two (5 min) pattern. sentence. empty subject to replace a to-infinitive. Show the exercises in Part C from Try to finish the exercises in To enable students the textbook.Ask students to Part C from the textbook to get familiar with describe the pictures using it and a and describe the pictures the four sentence to-infinitive under each picture using it and a to-infinitive patterns. below under each picture below. To enable students Show a picture and ask students to Look at a picture and predict what the weather will be predict what the weather to know“it Step4 like. will be like. seems/appears that.” Grammar learning Try to finish the exercises in Show the exercises in Part D from Part D from the textbook To help students to --Usage Three the textbook.Ask students to find a know how to use the (3 min) and practise the partner to practise the conversations with a sentence pattern“it conversations.Then show a model partner.Learn from the seems/appears to them. model. that.” To enable students Step 5 Summarize the three usages of Try to remember the three to summarize what Summary usages of using it as the using it as the empty subject. they have learned in (1 min) empty subject. class. Step 6 Ask students to finish some Finish some exercises To help students to Self-checking check themselves exercises about the three usages of about the three usages of it through the (2 min) it as the empty subject. as the empty subject. exercises. To raise students' Imagine what Kevin will do after he Enjoy the video Kevin may awareness of wakes up and show student a video. find on the Internet. protecting the ocean. Step7 Extension (3min) Ask students to help Kevin combine Try to help Kevin complete the words into sentences using it as the sentences using it as the To practise using it the empty subject. empty subject. as the empty subject.Step 3 Grammar learning --Usage Two (5 min) Show two ways of expressing a sentence and ask students to compare them. Find out the difference between “It is adj. to do sth.” and “To do sth. is adj.”. To enable students to understand why people prefer to say “It is adj. to do sth.” . Give students some sentences and ask them to summarize the sentence pattern. Try to summarize the sentence pattern of each sentence. To help students to understand four sentence patterns about using it as the empty subject to replace a to-infinitive. Show the exercises in Part C from the textbook. Ask students to describe the pictures using it and a to-infinitive under each picture below. Try to finish the exercises in Part C from the textbook and describe the pictures using it and a to-infinitive under each picture below. To enable students to get familiar with the four sentence patterns. Step 4 Grammar learning --Usage Three (3 min) Show a picture and ask students to predict what the weather will be like. Look at a picture and predict what the weather will be like. To enable students to know “it seems/appears that...” Show the exercises in Part D from the textbook. Ask students to find a partner to practise the conversations. Then show a model to them. Try to finish the exercises in Part D from the textbook and practise the conversations with a partner. Learn from the model. To help students to know how to use the sentence pattern “it seems/appears that...” Step 5 Summary (1 min) Summarize the three usages of using it as the empty subject. Try to remember the three usages of using it as the empty subject. To enable students to summarize what they have learned in class. Step 6 Self-checking (2 min) Ask students to finish some exercises about the three usages of it as the empty subject. Finish some exercises about the three usages of it as the empty subject. To help students to check themselves through the exercises. Step 7 Extension (3 min) Imagine what Kevin will do after he wakes up and show student a video. Enjoy the video Kevin may find on the Internet. To raise students’ awareness of protecting the ocean. Ask students to help Kevin combine the words into sentences using it as the empty subject. Try to help Kevin complete the sentences using it as the empty subject. To practise using it as the empty subject