Unit 4 Grammar 课件 -2024-2025学年英语译林版七年级上册

Unit 4 School days Grammar 23021 学习目标 1. 能掌握表示时间的介词in/on/at的用法。 2. 能掌握频度副词的用法、位置和常用的频度副词及其频率大小。 23021 根据句意完成下列句子。 1. Then our lessons begin _____ 8:15. 2. We have Biology classes _____ Tuesdays and Thursdays. 3. Our new term also starts _____ September. Lead in at on in How can we use in, on and at correctly? We use different prepositions to talk about time. 23021 parts of day months seasons years 新课讲授 Look and summarise We read English in the morning. Our new team starts in September. We have a field trip in autumn. We took a trip to a farm in 2022. 总结： in一般用于上午、下午、晚上，年份，季节，月份前。 23021 We don't go to school on Saturday. Our summer holiday starts on 1 July. We have a Biology class on Tuesday morning. We have lots of fun on Children's Day. days dates parts of a specific day special holidays 总结： on用在星期，日期，某一天的上午、下午、晚上，特定的节日（一天）前。如果节日不止一天，而是持续一段时间，我们用at，如：at Christmas、at the Spring Festival。 23021 Millie usually gets up at 7 o'clock. Children in China usually start school at 6 years old. time of day age 总结： at多用于表示某一时刻或年龄的词前。 23021 Summary Prepositions of time in on at parts of the day 上午、下午、晚上 months 月份 seasons 季节 years 年份 days 星期 dates 日期 parts of a specific day 某一天的上午、下午、晚上 special holidays 特定的节日（一天） time of the day 某一时刻 age 年龄 23021 介词in/on/at 年月季前要用in, 日子前面却不行。 遇到几号要用on, 上午下午又是in。 要说某日早中晚，用on换 in 才能行。 午夜黄昏用at, 黎明用它也不错。 也可用在时分前，表明时间莫等闲。 Remember 23021 Grandma: Hi, Sandy. Tell me about your life at school. Sandy: Sure, Grandma. ______ the morning, I often have Maths and Chinese lessons. These lessons begin ______ 8:15. Grandma: Good. Do you play any sport at school? Sandy: Oh yes! ______ Monday, I go swimming. I also play basketball ______ Friday afternoon. Every year, we have a big basketball match ______ November. Grandma: That's exciting! When is this year's match? Sandy: It's ______ 13 November. It starts ______ 4:30 in the afternoon. Would you like to come and watch? Grandma: Of course! Sandy is talking to her grandma about her school life. Complete their conversation with the correct prepositions of time. In at On on in on at Practice 当然 23021 Talk with your partner about your school life, using prepositions of time. 23021 Lead in I usually get up at 6:45 a.m. and then go for a short jog. I always read a little. Usually, we do morning exercises first. I usually practise with my friends on Saturday afternoons. We always have great fun. 我们可以使用频度副词来表示做某件事的频率。 23021 Adverbs of frequency tell you how often things happen. Look at the graph below. 23021 Summary 常见的频度副词有：always(总是)， usually(通常)，often(时常；经常)， sometimes(有时)， seldom(很少；几乎不)，never(从不)等。 按频率大小排列如下：always(100%)>usually(80%)>often(60%) >sometimes (40%)>seldom(20%)>never(0%)。 never seldom sometimes often usually always 从不 很少 有时 经常 通常 总是 0% 100% 23021 频度副词 含义 例句 She is sometimes very busy. 她有时很忙。 always 总是 Don’t always stay at home. 不要总待在家里。 usually 通常 I usually have coffee in the morning. 我通常在早上喝咖啡。 often 时常；经常 He often goes to the gym after work. 他经常在下班后去健身房。 sometimes 有时 I will never forget your kindness. 我永远不会忘记你的善良。 seldom 很少；几乎不 They seldom eat fast food. 他们很少吃快餐。 never 从不 ~~~ ~~~ ~~ 频度副词在句中的位置：频度副词一般放在be动词/助动词/情态动词之后、行为动词之前。 23021 I do not have much time to play tennis. I play tennis. Simon loves playing football. He plays football on the sports field. Amy is a member of the swimming team. She swims after school. Daniel does not like basketball. He plays it. Kitty dances every day. She dances for half an hour. Millie goes roller skating, but she is not good at it. Sandy is writing about how often she and her classmates exercise. Look at the graph above. Then help her complete the notes below. seldom often usually never always sometimes Practice 23021 Write six sentences about your school activities, using each adverb of frequency above once. 23021 1. Mondays, I (sometimes / always) have a Maths class in the morning. It starts 9:30 a.m. and ends 10:15 a.m. 2. spring, we take a field trip. Our field trip is (usually / never) in April. It’s a great month for field trips! But the field trip _______ (seldom / sometimes) takes place early May . 3. Every day, school starts 8 a.m. I’m (often / never) late for school. I leave my home early every day. I don’t like being late! 当堂检测 Complete the sentences with the correct prepositions of time or the adverbs of frequency in brackets. On always at In at usually sometimes in at never 23021 $$