【弯道超车】Unit 6 Fantastic friends 核心语法之动词不定式作原因状语-2025年外研版（2024）新七年级英语上册精讲精练 (含答案解析)

/ 让学习更有效 新课备课备考 | 英语学科 / 让学习更有效 新课备课备考 | 英语学科 2025年外研版（2024）新七年级英语上册精讲精练 Unit 6 Fantastic friends 核心语法：动词不定式作原因状语 一、核心概念 动词不定式作原因状语 用来表示产生某种情绪或状态的原因，通常用于表达情感反应的原因。 结构：to + 动词原形 中文含义：因为...而感到... 二、基本用法 用法 结构 例句 说明 表示高兴 glad/happy/pleased + to do I'm glad to see you. 很高兴见到你 表示难过 sad/sorry + to do I'm sorry to hear that. 听到这个消息很难过 表示惊讶 surprised + to do She was surprised to find the truth. 发现真相很惊讶 表示失望 disappointed + to do He was disappointed to lose the game. 输掉比赛很失望 三、常用形容词搭配 情感类型 形容词 例句 积极情感 glad, happy, pleased, delighted We are delighted to welcome you. 消极情感 sad, sorry, disappointed I was sad to leave my friends. 惊讶情感 surprised, amazed, astonished He was amazed to see the result. 四、句型结构 1、肯定句 主语 + be动词 + 形容词 + to do She is happy to help you. 2、否定句 主语 + be动词 + not + 形容词 + to do I am not surprised to hear the news. 3、疑问句 Be动词 + 主语 + 形容词 + to do Are you glad to meet me 五、易错点分析 1、混淆原因状语和目的状语 I study hard to get good grades.（目的） I'm happy to get good grades.（原因） 2、误用动词形式 I'm glad seeing you. I'm glad to see you. 3、遗漏be动词 I glad to help you. I am glad to help you. 六、记忆口诀 "不定式，表原因，情绪形容词在前边。 gladhappy表高兴，sadsorry表伤心。 surprised表惊讶，后接to do记心间。 表达情感的原因，这个结构最方便。" 1．She is happy _____ others. She often helps her classmates. A．help B．to help C．helping 2． Sam’s favorite team won the game. He was excited _____ the news. A．to hear B．hearing C．to hearing D．hear 3．We are lucky _____ be there. A．to B．in C．on D．at 4．—Don’t be afraid _____ me if you don’t understand the text. —Thank you, Mr Lee. A．asking B．asked C．ask D．to ask 5．I’m glad _____ you with your English. A．help B．helps C．to help D．helping 6．Wuxi is ready _____ the friends from all over the world. A．welcome B．welcoming C．to welcome D．welcomes 7．We are happy _____ to Canada this summer. I can’t wait for it. A．go B．to going C．to go 8．I am sorry _____ be late again. A．about B．for C．to D．that 9．We are happy _____ to Canada this summer. I can’t wait for it. A．go B．to going C．to go D．going 10．Lucy is happy _____ her friends. A．to see B．see C．sees D．seeing 11．My new classmates are all nice. I am happy _____. A．make friends with them B．to make friends with them C．making friends with them D．to make friend with them 12．The Chinese people are excited _____ each other that China’s Shenzhou XIII came back to the earth safely. A．tell B．telling C．to tell 13．I’m very happy _____ you in the park. A．to see B．seeing C．sees D．see 14．We are ready _____ a test. A．take B．takes C．taking D．to take 15．She is happy _____ her friend on her way home. A．to meet B．meet C．meeting D．meets 16．—How’s your day ... ...