1、Depending on personal experience， personal type and emotion concern， we find that some people hold the idea ， while others 基于个人经历、个性类型和情感关注的不同，我们发现有人持……的观点，而另外一些人则更喜欢……2、When asked ， the vast/ overwhelming majority of/ most/ many/ quite a few people say/ think/ believe/ answer B当被问及……时，多数（大多数、许多）人认为（回答）……但是……3、When it comes to ， some think/ hold/ 当提及……时，有人认为……4、It has become apparent to us 对我们来说，……已经变得很明显了5、In a word， the whole society should pay close to the problem Only in this way in the 总之，全社会都应该密切关注……，只有这样将来才能……6、Taking into account all of these factors， we may reach the conclusion 考虑到所有因素，我们得出结论，……
(1) since句型：主句用完成时例：My aunt has worked in a clinic since (2) since when +完成时例：Since when have you planted so many young trees?从什么时候你种植了这么多小树的?(3) This/it is the first () time sb have/has done sthThis/it was the first () time sb had done sth例：This is the first time I have been 这是我第一次到这儿。(4) by…(到……为止)到过去某个时候为止用过去完成时，到现在为止用现在完成时，到将来某个时候为止用将来完成时。例：She will have finished the book by my next 到我下一个生日为止，我将完成那本书。(5) in the past time( two days/) +完成时例：In the past 10 years， there have been great changes in our family 在过去的十年里，我们的家庭生活发生了很大的变化。(6) hardly (no sooner than)句型用过去完成时例：Hardly had I reached the school when the bell 我一到学校，铃子就响了。No sooner had we sat down at the table than the phone 我们刚坐到桌子旁边电话就响了。(7) 未实现的愿望打算等等用过去完成时例：I had thought I could pass the final examination but I
