(5)表示在刚刚过去的时间中发生的动作。如：I don\'t know what you\'re talking about. /you don\'t believe it ?you know I\'m telling the truth.
(6)动词hope, wonder用现在进行时表示委婉的口气。如：I\'m hoping you\'ll give us some advice. /I\'m hoping you can come and have lunch with me .I\'ve been wanting to ask you for a long time. /I\'m wondering if I may have a word with you./We are wondering if you have any suggestion.
(7)现在进行时和一般现在时的区别在于：表示现在经常性的动作用一般现在时，而表示现在暂时性的动作则用现在进行时。如：My watch works perfectly./My watch is working perfectly.
Always, continually, constantly, forever等与现在进行时连用往往带有喜、怒、赞扬、愤恨、讨厌、不满等的感情色彩。而用一般现在时只表示事实。如：John does fine work at school./He is always thinking of how he could do more for the people .(赞场)/He is constantly leaving things about.（讨论与不满）/She is always changing her clothes.（厌烦与嫉妒）
【妙文赏析】
A visitor visits an island where two tribes(部落) live. One tribe always tells the truth and the other always lies. The truth-tellers live on the western side of the island, and those who lie live on the eastern side. The visitor wants to determine whether the native beside him is a tr 《高一英语第四单元Travel (旅行)(第3页)》出自：www.89xue.com网
www.89xue.com uth teller or not by asking only one question. He tells the native to go and ask that native in the distance which side of the island he lives on .When the messenger returns, he says to the visitor, “He says he lives on the western side of the island.”
Is the messenger a truth-teller? How can the visitor be sure ?
1.The native in the distance says he lives on the western side of the island. According to his answer, which conclusion of the following is WRONG?
A. He may live on the eastern side of the island.
B. He may live on the western side of the island.
C. He may be telling the truth.
D. He can\'t be telling the truth.
2.According to the messenger\'s answer, the visitor can conclude that .
A. the messenger lives on the western side of the island because he tells the truth
B. the messenger probably lives on the eastern side of the island because his answer may be a lie
C. it is hard to determine whether the messenger is a truth-teller or not
D. the messenger probably lives on the western side of the island because his answer nay be true
3.The visitor himself doesn\'t go and ask the question of that native in the distance, because .
A. he is sure that the native beside him is a truth-teller
B. he wants to decide which side of the island the messenger lives on according to his answer to the question.
C. he wants to decide which side of the island that native in the distance lives on according to the messenger\'s answer
D. he can\'t express himself in the native language
4.If the visitor goes to ask the native in the distance himself and decide which side of the island he lives on, the cleverest question should be“ ？”
A. Which side of the island do you live on
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