2021届高考北师大版英语一轮复习语法课件 专题五 词性转换 (共54张PPT)

[高考感悟] 单句语法填空 1．[2019·全国卷Ⅱ] Her years of hard work have ________ (final) been acknowledged after a customer nominated (提名) her to be Cheshire's Woman Of The Year. 答案与解析：finally　考查副词。副词修饰动词acknowledge。 2．[2019·全国卷Ⅱ]But then we got an official letter and we were blown away.We are so proud of her. It's ________ (wonder)． 答案与解析：wonderful　考查词性转换(名词变形容词)。系动词is后面跟形容词作表语。wonder对应的形容词是wonderful。 3．[2019·全国卷Ⅲ]They also shared with us many ________ (tradition) stories about Hawaii that were ________ (huge) popular with tourists. 答案与解析：traditional; hugely第一空考查词性转换(名词变形容词)。所填词修饰名词stories，故应用tradition的形容词形式traditional。第二空考查词性转换(形容词变副词)。所填词修饰形容词popular，故应用huge的副词形式hugely。be hugely popular with非常受……欢迎。 4．[2019·北京卷]Students should have a proper attitude towards college before thinking about which college to attend，and it's never too early to make necessary preparations for a healthy and ________ (meaning) college experience. 答案与解析：meaningful　考查词性转换(名词变形容词)。用形容词修饰名词college experience。 5．[2018·全国卷Ⅱ]This switch has decreased ________ (pollute) in the country's major lakes and reservoirs and made drinking water safer for people. 答案与解析：pollution　考查词性转换之动词变为名词。decrease“降低；减少”，后接名词作宾语，pollute的名词形式是pollution。 6．[2018·全国卷Ⅱ]A taste for meat is ________ (actual) behind the change: An important part of its corn is used to feed chickens，pigs，and cattle. 答案与解析：actually　考查词性转换之形容词变为副词。修饰be behind the change用形容词actual的副词形式actually。 7．[2018·全国卷Ⅱ]According to the World Bank, China accounts for about 30 percent of total ________ (globe) fertilizer consumption. 答案与解析：global　考查词性转换之名词变为形容词。修饰名词短语fertilizer consumption应用形容词，名词globe的形容词形式是global。 8．[2018·浙江卷]The obvious one is money; eating out once or twice a week may be ________ (afford) but doing this most days adds up. 答案与解析：affordable　考查形容词。根据语境可知，一周在外就餐一到两次可能是可以负担得起的，故填形容词affordable。 [考点研析] 考点一　派生法 在一个词的词根之前或之后加上某个词缀来生成一个新词的构词法，即称作派生法。加在词根之前的词缀叫作前缀，加在词根之后的为后缀。 1．形容词变副词的后缀 规则 示例 一般情况加­ly slow→slowly adv.缓慢地 common→commonly adv.普通地 immediate→i