系动词包含:
状态系动词,也称be动词:am, is, are,前面跟人称代词或者名词表示“是”;前面是there,here表示“有”。
eg. I am a student. 我是一个学生。
There is an apple on the table. 桌上有一个苹果。
变化系动词:get, become, turn, go,表示变成....
eg. It gets dark outside. 外面天都黑了。
感官系动词:feel, taste, smell, sound, look,表示感觉如何,尝起来如何,闻起来如何,听起来如何,看起来如何。
eg. The dishes smell good. 饭菜闻起来好香。
持续系动词keep, rest, remain, stay, lie, stand
2. 冠词:the, a, an (具体用法可参考https://wenku.baidu.com/view/da3b9a304b35eefdc8d333fa.html?from=search)
定冠词:the, 如:the Chinese(中国人), the poor(穷人),the apple(特指对话双方都知道的那个苹果);
不定冠词:a,an(后跟第一音节为元音的名词), 如:a cat (一只猫)
3. 副词:指在句子中表示行为或状态特征的词,用以修饰动词、形容词、其他副词或全句,表示时间、地点、程度、方式等概念。
时间频率副词:now,then,often,always,usually,next,lastday,already(已经),generally(一般地),frequently(频繁),seldom(很少地),ever,never,yet,soon,too, immediately(立即),finally,shortly(很快), before, ago,sometimes, yesterday. once,twice,lately,recently,personally,today……yet
地点副词:here, there, everywhere, anywhere,somewhere, in, out, inside, outside,above, below, up,down, back, forward(向前地), home,upstairs(楼上地), downstairs, across, along, round , around,near, off, past, up, away, on.……
方式副词:carefully, properly(适当地), anxiously(焦虑地), suddenly, normally(正常地),fast, well, calmly(冷静地), politely(有礼貌地), proudly(自豪地), softly,warmly ,slowly,badly,hard,bravely……
程度副词:much,little, very,rather(相当),so,too,still, quite, perfectly(完美地),enough, extremely(非常), entirely(整个),almost, slightly(细小地), hardly.……
疑问副词:how, when, where, why……
关系副词:when, where, why……
连接副词:therefore(因此),moreover(此外),however,otherwise(另外的),
then,when ,where,how,why……
表顺序的副词:first,then,next,finally,afterwards,primarily……
完成时的副词:already,ever,just,never,since,yet,recently……