appear有哪些用法

　　It looks [seems, appears] as if he has lost interest in his job. 看来他对自己的工作已失去了兴趣。

　　It seems [appears] that he is very tired. 他似乎很累了。

　　为避免重复，appear和seem后接的 that 从句有时可用so, not 代之：

　　“Is he reliable? ” “It seems [appears] so (not).”“他可靠吗?”“似乎是可靠的(不可靠)。”

　　as well as的用法

　　1.as well as"既……又，不仅……而且"，要先翻译后者，再翻译前者。

　　She is lively as well as healthy.

　　=She is both healthy and lively.

　　=She is not only healthy but also lively.

　　她既健康又活泼。

　　2.as well as连接两个主语，谓语动词与前面的主语保持一致。

　　His friends as well as his sister were invited to the party.不但他的朋友们，连他的妹妹也被邀请了参加这次派对。(were与friends保持一致)

　　3.as well as和as good as都可译为"和……一样好"，well为副词，在句中作状语修饰动词，good是形容词，它在句中作表语或定语。

　　She sings as well as her mother does.

　　她与她的母亲唱歌一样好。(well修饰sing)

　　This pen is as good as that one.

　　这支钢笔和那支一样好。(good作表语)

　　4.as well用于肯定句句尾,意为"也，又，同样"，同义词为too,also;相对的词是either。

　　I love Chinese, and I love English as well.

　　我喜爱语文，我也喜欢英语。

英语语法 | 系动词用法详解

　　一、什么是系动词

　　系动词亦称联系动词(Link Verb)，作为系动词，它本身有词义，但不能单独用作谓语，后边必须跟表语(亦称补语)，构成系表结构说明主语的状况、性质、特征等情况。

　　注：有些系动词又是实义动词，该动词表达实义时，有词义，可单独作谓语。

　　eg：He fell ill yesterday.　他昨天病了。

　　fell是系动词，后跟补足语，说明主语情况。

　　eg：He fell off the ladder.　他从梯子上摔下来。

　　fell是实义动词，单独作谓语。

　　二、系动词分类

　　1、状态系动词：用来表示主语状态，只有be一词。

　　eg：He is a teacher.他是一名教师。(is与补足语一起说明主语的身份。)

　　2、持续系动词：用来表示主语继续或保持一种状况或态度。主要有keep,rest,remain,stay,lie,stand

　　eg：He always kept silent at meeting.　他开会时总保持沉默。

　　3、表像系动词：用来表示"看起来像"这一概念。主要有seem,appear,look

　　eg：He looks tired.他看起来很累。

　　4、感官系动词：主要有feel,smell,sound,taste

　　eg：This flower smells very sweet.　这花闻起来很香。

　　5、变化系动词：表示主语变成什么样。主要有become,grow,turn,fall,get,go,come,run

　　eg：He became mad after that.　那之后他就发疯了。

　　6、终止系动词：表示主语已终止动作，表达"证实"，"变成"之意。主要有prove, trun out

　　eg：His plan turned out a success.他的计划终于成功了。(turn out表终止性结果)