Section Ⅲ Discovering Useful StructuresGrammar — 现在进行时表将来[新知导引]诵读下列例句并感知画线部分的共性1.(教材 P28)My parents are taking (take) me to Yunnan province in China to visit Lijiang.2.(教材 P28)We are meeting (meet) at 10:00 a.m. at the bus stop near our school.3.The young man is meeting his girlfriend this afternoon.[共性呈现]三个例句都是用现在进行时态表示将来。[语法精释]一、现在进行时的基本用法1.现在进行时表示说话时正在进行的尚未完成的动作或状态。What are you doing now, Bob?鲍勃,你在干什么?Look!What are they watching?看,他们正在看什么?2.现在进行时表示目前这段时间正在进行的动作。现在进行时可表示目前这段时间正在进行,但此时此刻未必正在进行的动作。George is working on a new book about stories in schools.乔治在写一本关于校园故事的新书。3.现在进行时与 always, constantly, all the time 等副词(短语)连用时,可表反复性、一贯性动作,常用来表示赞扬、生气、不满、厌恶等感情色彩。He is always asking for money.他老是要钱。She is constantly changing her mind.她总是改变主意。[即学即练 1] 完成句子(1)我们正在等你。We are_waiting (wait) for you.(2)格林先生在写另一部小说。Mr. Green is_writing (write) another novel.(3)他总是先想着别人。He is always_thinking (think) of others first.二、现在进行时表示将来的用法1.动词 come, go, arrive, leave, start, begin, return 等的现在进行时可以表示将来的动作,常有“意图”“安排”或“打算”的含义。这种用法比较生动,给人一种期待感。它常表示最近或较近的将来会发生的动作。They are coming here this afternoon.他们今天下午来这儿。When are you leaving?你们什么时候动身?2.除上述动词外,还有一些动词也可用现在进行时表示将来。I'm meeting you after class.下课后我要见你。3.偶尔也表示较远的将来。When I grow up, I'm joining the army.我长大了要参军。4.现在进行时也可用在时间、条件或原因状语从句中表示将来。If they are not going, I won't go, either.如果他们不去,我也不去。[即学即练 2] 完成句子(1)我明天要动身去...