《 Unit 3 Online travel 》 Period 6 Grammar (2) Teaching aims: 1. To e familiar with the function of the word ‘ by’ to indicat e the agent who does something. 2. plete some exercises to practice using the passive voice. Step 1 greeting & presenting Explain that we can also use the passive voice when we want to mention the doer or agent who does something. Introduce the concept of“ by” which enables us to say the name of the doer. We can use “ by” to say who or what does the action. Step 2 Teaching Present the sample sentences in table forms to give Ssa visual support for the concept . Change the act ive voice sentences into the passive vo ice sentences. (1) Mr. anizes activities for puter Club. (2) Nancy Jackson designed th at CD-ROM. Ask Ss plete “ work out the rule! ” on their own. Ask a volunteer to read out the rule. Step 3 Exercise Finish the excise on Page 48 &Page 49 1. Ask Ss to study the pictures carefully and the words below ea ch one. Ss identify any words they do not know. Help Ss understand the meanings of words so that they are able to enjoy the fun element of the overall story rather than spend too m