【教案】Unit 5　A delicate world Period 2 外研版2019 选择性必修第二册

中小学教育资源及组卷应用平台 Unit 5　A delicate world Period 2　Using language ?语法图解 ?观察句子 1．(教材P50)No visitor would think it surprising that the island is a UNESCO World Heritage Site. 2．(教材P51)Experts felt it necessary to come up with a plan to remove all the rabbits from the island. 3．(教材P51)This incident made it clear that the rat, mouse and rabbit problem needed solving once and for all. 4．(教材P51)This intervention is a long, much delayed ending to a sad story, but we humans owe it to the island to give it a happy ending. 5．I do not consider it worthwhile spending too much time on telephone conversation. 6．She found it troublesome having to go through all the red tape. 7．You may rely on it that he will come in time. 8．I don't like it when you shout at me. ?我的领悟 1．以上句子中，句1和句3中it充当形式宾语，真正的宾语是that从句；句2和句4中it充当形式宾语，代替动词不定式；句5和句6中的it代替动名词短语。 2．句7中介词后不接that引导的宾语从句，需要用it作形式宾语。 3．句8说明某些动词后不直接跟宾语从句，需要先用it作形式宾语，再接从句。 当动词不定式(短语)、v. ing(短语)或从句作宾语时，为了保持句子结构的平衡，常用it作形式宾语，而将真正的宾语后置。 一、代词it后接宾语补足语 1．动词十it＋宾语补足语十不定式 ◆I found it important to learn spoken English. 我发现学习英语口语很重要。 2．动词十it＋宾语补足语十动名词 ◆I did consider it no use reporting the incident. 我确实认为报道这件事没有用。 3．动词＋it＋宾语补足语十从句 ◆I think it necessary that you study hard. 我认为你努力学习是必要的。 [即时演练1]———完成句子 (1)他立志决不向别人借钱。 He makes_it_a_rule_never_to_borrow money from others. (2)我认为花太多时间看电视没有好处。 I think_it_no_good_spending_too_much_time watching TV. (3)我想说清楚我并没有偷他的钢笔。 I want to make_it_clear_that I didn't steal his pen. 二、代词it后不接宾语补足语 1．动词＋it＋that/when/if从句 能用于此结构的动词常见的有have、 take、 put、 like、 dislike、 love、 hate、 appreciate等。 ◆I like it that you came.　你来了，我很高兴。 ◆Rumor has it that the defence minister will soon resign. 据传闻，国防部长不久就要辞职。 ◆We really appreciate it when she offered to help. 她来帮忙了，我们十分感激。 2．动词＋介词＋it＋that从句 能用于此结构的“动词＋介词”常见的有see to、 look to、 insist on、 stick to、 depend on、 rely on、 answer for等。 ◆See to it that you're not late again. 　务必不要再迟到。 ◆Look to it that this doesn't happen again. 注意不要再发生这种事。 3．动词十it＋介词短语＋that从句 能用于此结构的“动词＋it＋介词短语”常见的有take it for granted、 bring it to one's attention、 owe it to sb.等。 ◆I owe it to you that I am still alive.　多亏有你我还活着。 ◆I took it for granted that he would help us. 我认为他帮助我们是理所应当的。 [即时演练2]———完成句子 (1)我讨厌他一边吃一边说话。 I hate_it_when_he_talks with his mouth full. (2)如果你能提前告诉我你是否会来，我将不胜感激。 I would_appreciate_it_if_you_could_let_me_know in advance whether or not you will come. (3)你不可以相信他们会做大量的工作。 ... ...