1、Unit26 Grammar extension教案Teaching Aim: To introduce the usages of perfect verb forms to students: present perfect simple present perfect continuous past perfect simple past perfect continuous future perfect simple perfect infinitive following modal verbs for subjunctive mood Stage 1 review of gener
2、al use of continuous tense To describe an activity which is/was/will be going on at a certain moment(时刻) of present, past or futureTo describe an action which is/was/will be going on during a short period of time at present, in the past or in the future.Stage 2 special sue “always/frequently/constan
3、tly/for ever, continually +doing” to show the repetitiveness of the speaker Past continuous for polite requestpresent continuous for future arrangement Stage 3 state verbs What are the state verbs?the differences between the continuous tense and present tense Stage 4 homework Exercise 1-8 on page 17
