1) It is wrong to tell a lie. ( 说谎是错误的。) 2) It is no use arguing about it. ( 争吵是没用的。) 3) It is uncertain who will come. ( 谁要来还不确定。)
二、谓语
Predicate:说明主语做什么或怎么样。通常 由_动__词___ 充当。动词常分为实义动词,连系 动词,情态动词和助动词.
(it作形式主语,真正的主语为后面的不定式)
什么情况下用it作形式主语?
当不定式、动名词或从句在某个句子 中作主语时,为保持句子结构前后平衡, 避免头重脚轻,因此常用it作形式主语置 于句首,而将真正的主语放在句尾。此时 it只起先行引导作用,本身无词义。
你能划出下列句子的真正的主语吗?你懂得 翻译下列句子吗?
8.She works very hard though she is old.
(让步状语)
9.I am taller than he is. (比较状语)
七、补语
• Complement是用于补充说明主语或宾语的 身份或特征。
Everyone calls him Jack. (宾补) He is called Jack.(主补)
• 1、简单谓语:由一个动词或动词短语构成。如: He practices running every morning. The plane took off at ten o’clock.
• 2、复合谓语: (1)由情态动词加动词原形构成。如:
You may keep the book for two weeks. (2)由助动词加动词原形,现在分词,过去分词构
great care. (方式状语)