牛津上海版英语八年级上册课件：U3-Grammar 1（共31张PPT）

We can use the simple past tense to refer to things that happened in the past. Here are some common time expressions, e.g., a minute ago, yesterday, last week/month/year. stare The crowd stared at the three people. report Dad reported the theft to the police. Read the following sentences: All the verbs in the above sentences below are in the simple past tense. Do you know how the past tense verbs are formed? Regular verbs add -ed or -d to the base form to make the past tense form. e.g., open  opened The simple past tense is the same for all persons. We add -ed to the past form of most regular verbs in positive sentences. show look We only add -d to verbs that end in –e. stare move We change the -y to -i and add -ed to some of the verbs that end in –y. carry hurry Some verbs double their final consonants when -ed is added, plan stop Write the past forms of the given verbs. add call try study drop play dial fail remember die hurry enjoy Verbs ending in a vowel + y form the sim