4. Are you coming by bus __o_r_(或者) on foot?
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and, or, but, so 基本用法
and 和 or 都可以在祈使句中使用. and 通常是比较好的结果; or 则表示不愉快或不理想的结果.
1. Try your best __ you’ll make more progress.
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and, or, but, so 特殊用法
1. Although I have passed the exam, ___ I am
not pleased with the result.
A. and
B. but
C. /
although 和 but 不能同时出现。
2.So的特殊用法
“so+情态动词/助动词/be动词+主语”句型为倒装结构,意思为“… 也是如此”,系动词、情态动词或助动词必须与上句中的谓语动词 保持时态的一致。 例:-I like reading novels when I am free.有空闲时我喜欢读小说。So do I.我也是。
e.g. (他努力工作,但以失败告终。)
He worked hard, ____b_u_t he failed at last. He worked hard. ___H_o_w__e_v_e,rhe failed at last.
区别: but 后没有逗号,直接连接分句; however 后有逗号相隔,可放句首。
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二、连词分类:
连词:and, but, or, so, (for)
并列连词
连词词组: either…or, neither…nor, not only…but also, both…and, (as well as)