| 词组 | football |
| 释义 | 在英国指“足球”，在美国指“橄榄球”，英国称“橄榄球”为 American football，美国人称之为 soccer。 for，because，as，since 这组词都可以引导从句，表示因果关系，但有区别。 1． 表示直接因果关系，由强到弱可换用，但语气的顺序是 because， since，as，for: He ran away because / since / as / for he was shocked by her sud- den death. 2． 表示必然推论，可换用: He must have passed the exam， because / since / as / for he is very cheerful. 3． 回答 why 问题时，要用 because: —Why do you laugh? — Because it's funny. 4． 在强调句中，because 可以用来引导状语从句，其他 3 词不能这样用: It was because he was so courte- ous that he couldn't have a psy- chic struggle with a photographer. 5． for 是并列连词，常用于句子中间: Praise God，for he is good. 6． as 引导的从句常置于句首: As the weather gets warmer and the days longer，the ideal time for tree planting is approaching fast. 7． as 引导的从句置于主句后面时，其表达的内容应该是对方知道的: I can't attend the meeting， as I am sick. ( 对方应该知道 “我生病”) 8． since 可以用在省略句中，其他 3 词一般不这样用: Since ( it was) impossible ( to see my former mail) I tied it in a new software folder. ( 不说 because impossible，for impossible，as im- possible) 9． since 引导的从句放在主句前或后都可以。 |
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