有关the past several years witnessed the phenomenon that ……时态问题请问是the past several years witnessed the phenomenon that还是the past several years have witnessed the phenomenon that 抑或the past several years has witnessed the p

有关the past several years witnessed the phenomenon that ……时态问题请问是the past several years witnessed the phenomenon that还是the past several years have witnessed the phenomenon that 抑或the past several years has witnessed the p Several times over the past decades in the past years he____(write)several novels The song____(sing) many times by the students in the past several months In the past several years,i had many chances to inspect many places of China 英语翻译she rememberd several occasions in the past when she had experiened a similar feeling. He has broken into (several) computer systems in the past two months.(提问)______ _______computer______ ______ ______ ______ ______in the past two months?怎么没人回答啊 In the past several weeks,many cities in China have been suffeing from heavy fogs.想问,in the past several weeks 不是一个过去时态的时间状语吗?为什么用现在完成时呢? Our school has changed greatly in the past several years.There ___ ___greatl changes in the past several years in our school.改同义句.这个非延续动词是怎么变成延续性动词的？ over the past months our products have been exported to several countries in volum.语法有错吗 一道首字母填空题In the past few months ,several fishing boats have s_____ mysteriously around this area. 英语.Our school has changed greatly in the past several year.同义句Our school has changed greatly in the past several year. There （ ）（ ）great changes in the past several year.有人说是 have been .不是there 后面一般不用have 急.in the past ten minutes用什么时态?如题单独出现in the past 用什么时态in the past several years 用什么时态in the past ten minutes 用什么时态in the past ten years 用什么时态 The past is the 任务型阅读In the past,the housing conditions were very poor.Most people lived inIn the past,the housing conditions were very poor.Most people lived in small houses with only one floor.Sometimes,several families shared one yard and several family let the past be the past during the past several years引发的疑问?图片下的第一句话,during the past several years不是要用现在完成时吗?然后一般用英语描述图片,不是用一般过去式吗?那这两者是冲突了吗?该怎么样写呢?是experien remembered several occasions in the past she had experienced a similar feelingShe remembered several occasions in the past __ she had experienced a similar feeling.先行词是用when还是where呢?答案是when 总觉得用where表示场合更好