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(1)表示客观事实或普通真理。
The science teacher told us the earth moves around the sun.(自然老师告诉我们地球围着太阳转。)
Water boils at 100℃.(水的沸点是100度。)
(2)表示现状、性质、状态时多用系动词或状态动词;表示经常或习惯性的动作,多用动作动词,且常与表频率的时间状语连用。
Ice feels cold.(冰摸起来很冷。)
We always care for each other and help each other.
(3)表示知觉、态度、感情、某种抽象的关系或概念的词常用一般现在时:see, hear, smell, feel, notice, agree, believe, like, hate, want, think, belong, seem等。
I know what you mean.(我知道你的意思。)
Smith owns a dog and a house.(史密斯拥有一只狗和一所房子。)
注:(1)在时间、条件状语从句中,常用一般现在时代替将来时。但要注意由if引导的条件状语从句中可以用shall或will表“意愿”,但不表示时态。
If you will accept my invitation and come to our party, my family will be happy.(如果你愿意接受我的邀请来参加我们的舞会,我们一家将会很开心。)
If you will wait, the manager will be back in about an hour.(如果你愿意等的话,经理会在大约一小时后回来。)
(2)少数用于表示起止的动词如come, go, leave, arrive, fly, return, start, begin, pen, close, end, stop等常用一般现在时代替将来时,表示按规定、计划或安排要发生的动作。
The shop closes at 9:00 p.m. every day.(商店每晚9点关门。)
Class begins at 9 o’clock in the morning.(早上9点开始上课。)
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