be afraid of doing to do sth-2025-2026学年九年级英语全一册句型全解（北师大版）

九年级全一册北师大版 【核心句型精讲】A版句型全解 中考高频考点 【A版句型全解】be afraid of doing/to do sth 初中·北师大版·九年级全一册 基本结构 句型结构：be afraid of doing/to do sth be afraid of doing sth表示“害怕做某事”（担心发生某种不良后果）：be afraid to do sth表示 “不敢做某事”（因胆怯而不敢行动） of为介词，后接动词-ig形式：to为不定式符号，后接动词原形 例句展示： She is afraid of falling off the bike.(她害怕从自行车上摔下来) He is afraid to speak in front of the class.(他不敢在全班面前讲话) 句型精讲（核心考法） 考法I:区分be afraid of doing sth与be afraid to do sth的用法（中考高频考 点) 判断规侧+例句对比 规则I:be afraid of doing sth表示“害怕做某事”，强调对doing sth这一行为本身可能带来 的后果或危险感到担忧，doing$sth通常是一种习惯性或经常性的行为，或者是主语本身不希望发 生的、可能带来不良结果的动作。 例句：She is afraid of falling off the bike.(她害怕从自行车上摔下来。)一强调“摔下来”这个行为 的后果让她害怕。 规则2：be afraid to do sth表示“不敢做某事”，强调因内心恐惧、胆怯而不敢去做某事，往 往指主语缺乏勇气去执行某个具体的动作，todo$h通常是一个具体的、一次性的动作。 例句：He is afraid to speak English in public.(他不敢在公共场合说英语。)→强调因胆怯而不敢执 行“说英语”这个具体动作。 考法2：句型的否定形式 九年级全一册北师大版 【核心句型精讲】A版句型全解 否定规侧+例句否定 规则：在be动词后直接加not,即be not afraid of doing sth/be not afraid to do sth。 例句l:原句She is afraid of swimming in the sea, 否定句：She is not afraid of swimming in the sea. 例句2：原句They are afraid to climb the high mountain. 否定句：They are not afraid to climb the high mountain. 考法3：对句型中不同部分提问 提问规则+例句提问 规则1：对of后的动名词(doing sth)或to后的动词原形(do sth)提问→用What+be+ 主语+afraid of doing/todo? 例句l:原句Tom is afraid of seeing snakes. 问句：What is Tom afraid of seeing? 例句2：原句Mary is afraid to take the exam. 间句：What is Mary afraid to take? 规则2：对主语提问→用Who+be+afraid of doing sth/to do sth? 例句1：原句The little girl is afraid of darkness. 问句：Who is afraid of darkness? 例句2：原句My brother is afraid to go out alone at night.. 间句：Who is afraid to go out alone at night? 句型综合训练 训练1：单项选择（考察be afraid of doing/to do sth辨析及否定、提问） 1.Sheis falling off the bike because it's dangerous. A.afraid of B.afraid to C.not afraid to D.not afraid of 2.He is speak English in public because he is shy. A.afraid of B.afraidto 九年级全一册北师大版 【核心句型精讲】A版句型全解 C.not afraid of D.not afraid to 3.They swimming in the sea.They often go swimming there. A.are afraid of B.are afraid to C.are not afraid of D.are not afraid to 4. is afraid of seeing snakes? A.What B.Who C.When D.Where 5. is Tom afraid to take? A.What B.Who C.Why D.How 6.She climb the high mountain with her friends last weekend. A.is afraid to B.was afraid to C.is afraid of D.was afraid of 7.He making mistakes,so he never tries to speak English. A.is not afraid of B.is afraid of C.is not afraid to D.is afraid to 8.They go out alone at night,so they always ask their parents to go with them. A.are not afraid to B.are afraid to C.are not afraid of D.are afraid of 训练2：同义句转换（考察be afraid of doing/to do sth用法转换及否定） 九年级全一册北师大版 【核心句型精讲】 A版句型全解 1.She is afraid of falling off the bike.She is afraid off the bike. 2.He is afraid to speak English in public.He is afraid English in public. 3.She is not afraid of swimming in the sea.-She is not afraid in the sea. 4.They are not afraid to climb the high mountain.-They are not afraid the high mountain. 5.Tom is afraid of seeing snakes.Tom is afraid snakes 训练3：完成句子（考察be afraid of doing/to do sth语境运用） l.她害怕从树上掉下来。→She is afraid off the tree. 2.他不敢在课堂上回答问题。→He is afraid questions in class. 3.他们不害怕在河里游泳。→They are not afraid in the river. 4.谁害怕黑暗？→is afraid darkness? 5.玛丽不敢参加考试。→Mary is afraid the exam 6.这个小男孩害怕独自待在家里。→The little boy is afraid at home alone. 7.我们不害怕在公众场合发言。→We are not afraid in public. 8.她害怕狗，所以不敢靠近它们。→She is afraid dogs,so she is afraid near them. 训练4：写作高级句式（考察be afraid of doing/to do sth翻译） l.他害怕在考试中犯错。→He is afraid mistakes in the exam. 2.她不敢告诉父母这个坏消息。→She is afraid her parents the bad news. 3.他们不害怕尝试新事物。→They are not afraid new things. 4.这个女孩害怕晚上独自出门。→The girl is afraid out alone at night. 5.我们害怕错过这次重要的机会。→We are afraid this important chance. 4 九年级全一册北师大版 【核心句型精讲】A版句型全解 参考答案 1训练1：单项选择 1.A2.B3.C4.B5.A6.B7.B8.B Ⅱ.训练2：同义句转换 1.to fall 2.of speaking 3.to swim 4.of climbing 5.to see L.训练3：完成句子 1.of falling 2.to answer 3.of swimming 4.Who;of 5.to take 6.of staying 7.to speak 8.of;to go V.训练4：写作高级句式 1.of making 2.to tell 3.to try 4.to go 5.of missing 5