Grammar and usage (1)知识目标Learn the past perfect tense能力目标After learning this lesson, the students will be able to understand sentences in which the past perfect tense is used. They are also expected to distinguish the past perfect tense from the simple past and the past perfect tense from the present perfect tense. At the same time, they will read some passages in which the simple past tense, the past perfect tense or the present perfect tense is used.情感目标教学重点How to use the past perfect
