is
翻译
是, 在
例句
He is a doctor.
他是一名医生。
The book is on the table.
书在桌子上。
The weather is nice today.
今天天气很好。
He is running.
他在跑步。
语法模式
((Subject)) is ((Noun Phrase)) (主语)是(名词短语) He is a doctor.
((Subject)) is ((Adjective)) (主语)是(形容词)的 The weather is nice today.
((Subject)) is ((Prepositional Phrase)) (主语)在(介词短语) The book is on the table.
((Subject)) is ((-ing verb)) (主语)正在(做…) He is running.
近义词
同义词:exists, lives;反义词:isn't
词源
源自古英语“is”,来自原始印欧语系词根“*es-”,意为“是,存在”。是最基本的动词之一。
记忆技巧
“is”将主语与其身份、位置或状态联系起来。可以把它想象成句子中的等号(=):He = a doctor。