2018-2019学年北师大版高二选修8教案: Unit 23 Period 9
2018-2019学年北师大版高二选修8教案: Unit 23 Period 9第3页

After students writing the structures on the blackboard, ask students to read and try to keep them in mind.

Present Perfect have / has done

Present Perfect Continuous have / has been doing

Past Perfect had done

Past Perfect Continuous had been doing

Future Perfect will have done

Perfect infinitive to have done

Perfective -ing form having done

Passive perfective -ing form having been done

Ex 4 will help students have a better understanding of Perfective Verb Forms. After finishing Ex 4, go on with the exercises in the Language Power on Page 95.

Step V Practice

Deal with the exercises in Language Awareness 8 on Page 95.

Deal with Ex 1.

Ask students to read the text and underline all the perfective verb forms in the text. Then match them with the names of the tenses. Students are given 5 minutes to complete the exercise. Five minutes later, check the answers with the whole class.

Deal with Ex 2.

Students are asked to work in pairs. First circle the correct verb form for each picture. Then they will change each picture so that it will illustrate the other sentence.

Deal with Ex 3.

Ask students to do Ex 3 individually. Students are given eight minutes to do the exercise. Eight minutes later, check the answers by having individuals read out the sentences.

Deal with the exercises in Word Power on Page 76.

Deal with Ex 1 Confusing words.

Ex 1 is a little difficult. Students may use a good dictionary to help them. Or Teacher may explain to students the differences between the confusing words.