is在这句话中的词性He is a student.is在这里是实义动词还是助动词?多谢!

is在这句话中的词性He is a student.is在这里是实义动词还是助动词?多谢! He is busy cleaning the desk up 这句话对吗,busy在此是什么词性?形容词? he is marching中的marching是什么词性 He is suprised that you are not going abroad.这句话中的从句在句中充当什么成分?名词性从句的练习 分析三句话中is的词性 He is dead.He is coming.He is Ethan. He is a teacher of English 词性及成分He is a teacher of English.Our new teacher is English.两个English分别是什么词性,以及它们在句子中的成分.急! where is your pen pal from?这句话各单词的词性,在句子中的成分?谢谢了 he is a difficult man to please.这句话中的不定式在句子中充当什么成分? He is feeling a lot better 中的 better 的词性是什么 He is medium high这句话对吗He is medium high 这里medium是形容词性 high也是形容词性 medium怎么能修饰high呢? My birthday is April 11st,1987.这句话对吗 October 1st is National Day 这句话对吗 能说I am a Chinese.He is English,but he likes Beijing Opera.当中的English 是什么词性? This is a task well within your ability.这句话是什么机构啊,well在此处是什么词性啊 He is as brave a man as ever lived．中的lived是什么词性?可不可以改成He is a brave man ever lived, A girl whose mother is a history teacher.这句话是名词性从句吗 a longer life span means that the nation ' s elderly population is bound to expand significantly over the next 50 years.这句话中的over是什么意思?词性是? there is a heavy rain outside中的rain是什么词性?