Unit 3 grammar 课件 2023-2024学年牛津上海版（试用本）八年级英语上册

Module 1 Unit 3 Trouble! STUDY Grammar:The simple past tense & Adverbial phrases for the past 0 The simple past tense We can use the simple past tense to refer to(指的是) things that happened in the past. He reported the theft. (report) The police caught the man. (catch) Did they find the purse? (do) 1 2 3 4 5 Regular (规则) and irregular (不规则) verbs 1. Regular verbs add -ed or -d to the base form to make the past tense form. e.g., open opened stare stared 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 We add -ed to verbs that end in a vowel(元音) + y. play add call try study drop play dial fail remember die hurry enjoy added called tried studied dropped played dialled failed remembered died hurried enjoyed 1 2 3 4 5 2. Irregular verbs: we don’t add ‘-ed’ to the irregular verbs. e.g., We made some low-fat yogurt for breakfast yesterday. e.g., make made e.g., It cost him 30 yuan to buy a plastic mobile phone shell for his new iphone. e.g., cost cost No change Change the vowel Change the consonant cost cost put put write wrote know knew make made spend spent leave left catch caught 2. Irregular verbs: We learn them by heart. Change the vowel(s) and consonant(s) cut buy get find grow come cost feel hold fly give catch cut bought got found grew came cost felt held flew gave caught Forms of simple past tense We use the simple past tense to make positive (肯定) and negative (否定) sentences like this. I/You/ We/They/ He/She/It heard the argument. I/You/ We/They/ He/She/It did not/ didn’t hear the argument. We can use the simple past tense to ask and answer questions like this. Did I/You/ We/They/ He/She/It hear the argument? Yes, I/You/ We/They/ He/She/It did. No, didn’t. 1