【正文】
ent perfect tense with students. live —— lived be —— been buy —— bought do —— done get —— got pack —— packed (2) Using “for” to indicate a period of time. eg. We have lived in Shanghai for 12 years. She hasn39。 understanding signs found at the airport。 reading timetables and answering questions about them。t seen a film for 3 months. 6. Ask: Where do you buy a plane ticket? What do you put in your suitcase? 7. Give the students time to read the text silently. 8. Play the cassette again. The students listen and repeat. 9. Select students to read