if/ whether引导宾语从句 口ⅰf或 Whether引导宾语从句时,作“是否”讲,常 放在动词ask、see、say、know和 Ifind out等 后面。一般情况下,两者常可换用,在口语中多用 日如: Nobody knows whether(f) it will rain tomorrow.没有人知道明天是否下雨 口ⅱf或 Whether引导的宾语从句时,虽具有疑问意义, 但从句语序应用陈述句语序。如: Did you know the way to the hospital? the old woman asked me 宾语从句表达为: The old woman asked me if (whether) i knew the way to the hospital t 妇人问我是否知道去医院的路
if/whether引导宾语从句 if或whether引导宾语从句时，作“是否”讲，常 放在动词ask 、see 、say 、know和find out等 后面。一般情况下，两者常可换用，在口语中多用 if。 如： Nobody knows whether (if) it will rain tomorrow. 没有人知道明天是否下雨 if或whether引导的宾语从句时，虽具有疑问意义， 但从句语序应用陈述句语序。如： Did you know the way to the hospital？The old woman asked me . 宾语从句表达为：The old woman asked me if (whether) I knew the way to the hospital.老 妇人问我是否知道去医院的路
口i或 whether引导的宾语从句应和主句的时态保持一致。即主 句为一般现在时,从句用任一种时态;主句为一般过去时,从 句则用过去时中的任一种时态 口if和 whether的区别: 1在动词不定式之前只能用 Whether。如 ,,一: 1:i cant decide whether to stay 我不能决定是否留下, 2在 whether… or not的固定搭配中。如: I want to know whether it' s good news or not,我想知道是否是好 消息 3在介词后,只能用 whether。如: His father is worrⅰed about whether he lose his work.他的父亲担心是否会失 4宾语从句放在句首表示强调时,只能用 whether。如: Whether they can finish the work on time is still a problem.他们是否能准时完成这项工作还是个问题
if或whether引导的宾语从句应和主句的时态保持一致。即主 句为一般现在时，从句用任一种时态；主句为一般过去时，从 句则用过去时中的任一种时态。 if和whether的区别： ◼ 1 在动词不定式之前只能用whether 。如： I can’t decide whether to stay. 我不能决定是否留下。 ◼ 2 在whether …… or not 的固定搭配中。如： I want to know whether it’s good news or not . 我想知道是否是好 消息。 ◼ 3 在介词后，只能用whether。如：His father is worried about whether he lose his work . 他的父亲担心是否会失 去工作。 ◼ 4 宾语从句放在句首表示强调时，只能用whether 。如： Whether they can finish the work on time is still a problem. 他们是否能准时完成这项工作还是个问题
O i was expecting a large office building. expect: to look forward to the probable occurrence or appearance of期待/期望某 事的发生或出现e.g. I'm execting a phone ca.我在等一个电话。 He expects rains on sunday.他预期周日会下 雨
I was expecting a large office building… ◼ expect: to look forward to the probable occurrence or appearance of 期待/期望某 事的发生或出现 e.g. I’m execting a phone call. 我在等一个电话。 He expects rains on Sunday. 他预期周日会下 雨
a we used to have our own building downtown ■ used to do sth表示过去常常做某事,而现在往往不做 e.g. i used to get up early in the morning when i was still a hight school student 比较: be used to doing sth.习惯于做某事e.g.I am used to living in the countryside now.我已经 习惯了乡村的生活。 downtown:n./adv.市区,商业区e.g I am going downtown.我去市区。 5 minutes from downtown距离市区5分钟路程
we used to have our own building downtown. ◼ used to do sth表示过去常常做某事，而现在往往不做 了 e.g. I used to get up early in the morning when i was still a hight school student. ◼ 比较：be used to doing sth.习惯于做某事 e.g. I am used to living in the countryside now. 我已经 习惯了乡村的生活。 ◼ downtown: n./ adv. 市区，商业区 e.g. I am going downtown. 我去市区。 5 minutes from downtown距离市区5分钟路程
a But now we created this virtual office environment virtual: adj of or relating to a computer technique by which a person wearing a headset or mask, has the experience of being in an environment created by the computer, and of interacting with and causing changes in it虚拟的 e.g. virtual world虚拟世界 virtual reality虚拟现实 ■ environment:环境
But now we created this virtual office environment. ◼ virtual:adj. of or relating to a computer technique by which a person, wearing a headset or mask, has the experience of being in an environment created by the computer, and of interacting with and causing changes in it 虚拟的 e.g. virtual world 虚拟世界 virtual reality 虚拟现实 ◼ environment: 环境