Unit 4 A glimpse of the future Using language Grammar 课件-2023-2024学年高二英语外研版（2019）选择性必修第三册

选择性必修三Unit 4 A Glimpse of the Future Grammar Subject-Verb agreement (2) 1. Students can learn some words and phrases. 2. Students can get the main usage of this grammar---Subject-verb agreement. 3. Students can write some a passage by using “Subject-verb agreement ”. Activity 1 a ... 50 per cent of my time was spent researching new restuarants. b Every recommendation she gives me is great… c … almost 50 per cent of US jobs are at risk from automation in the next 20 years. d … none of us is prepared for the challenges of AI. Look at the sentences and answer the questions. 1. Why is 50 per cent singular in sentence (a) but plural in sentence (c)? Because in sentence (a), the part “50 per cent” is followed by the uncountable noun “time”, while in sentence (c), the part “50 per cent” is followed by the countable noun “job” in its plural form. Activity 1 a ... 50 per cent of my time was spent researching new restuarants. b Every recommendation she gives me is great… c … almost 50 per cent of US jobs are at risk from automation in the next 20 years. d … none of us is prepared for the challenges of AI. Look at the sentences and answer the questions. 2. What are the subjects in sentences (b) and (d)? Are they singular or plural? In sentence (b), “Every recommendation” is the subject. In sentence (d), “none of us” is the subject. Both are singular. Activity 2 Summary 主谓一致是指谓语动词与主语在人称和数上要保持一致。 主谓一致主要遵循三个原则，即意义一致原则、语法一致原则和就近一致原则。本单元处理语法一致原则和主谓一致易错点分析。 三、语法一致原则 语法一致原则就是指主语和谓语在语法形式上必须保持一致，即谓语动词的单复数形式由主语的单复数形式决定。主要有以下情况： 1. 不定式(、动名词、单个主语从句、不定代词等作主语时 1. To read English aloud every morning _____ （do)you a lot of good. 2. When and where to go for the on-salary holiday ___(decide)yet. 3. What I say and think ___none of yoursbusiness. 4. Collecting stamps ___(do) spend most of my time. 5. Everyone, men and women, old and young ___(enjoy) sports and games. 6. Each of t