Unit 2 People on the move【语法·剖析·活用】动词时态、语态的复习动词时态解题方法一、把握时间信息1. —I don’t suppose the police know who did it
—Well, surprisingly they do
A man has been arrested and _____ now
has been questioned B
is being questionedC
is questioning D
has questioned【答案与简析】从句意和时间状语 now 来看,空白处应填动词的现在进行时态
而且 a man 与 question 之间又存在着被动关系
因此答案为 B,即用现在进行时的被动式
二、遵循时态呼应规则2
______ I won’t tell the student the answer to the math problem until he _____on it for more than an hour
has been working B
will have workedC
will have been working D
had worked【答案与简析】:依照语法规则,当主句中的谓语动词是将来时态时,until 引导的时间状语从句中通常用现在时态表示将来时间
纵观四个选项,只有 A 项符合要求
三、分析具体语境3
—Thank goodness, you’re here
What _________you
—Traffic jam
keeps B
is keeping C
had kept D
kept【答案与简析】:分析语境可知,问话人是询问对方迟到的原因,应用一般过去时,故答案为 D
关于被动语态的复习被动语态的复习要注意以下几个方