11.17 将来完成时& H) R2 k! v6 W0 o1 I
1) 构成will / be going to do sth.
y. V$ G3 h( {2 ] 2) 概念* ^% L% f% S8 k% C
a. 状态完成：表示某事继续到将来某一时为止一直有的状态。* ?! l, a4 x2 D, V6 w
b. 动作完成：表示将来某一时或另一个将来的动作之前，已经完成的动作或一获得的经验。+ P5 w7 ^) R+ }3 H$ r) i1 V
They will have been married for 20 years by then.考试用书
R% Y0 d& @: r8 Q You will have reached Shanghai by this time tomorrow.7 O) x: [. k" k. F8 X
11.18 现在进行时
2 ~7 `# ?# x* Z. ~% z 现在进行时的基本用法：" b0 A7 ~' B' h* C- u
a. 表示现在( 指说话人说话时) 正在发生的事情。$ W2 q9 z) H, x$ Y
We are waiting for you.
_) Q$ |! _' @ b. 习惯进行：表示长期的或重复性的动作，说话时动作未必正在进行。; a( p0 e6 j1 I# P ?, l9 j6 ~
Mr. Green is writing another novel." L$ U+ d+ s# L5 y
(说话时并未在写，只处于写作的状态。)
3 |- A& v6 r p She is learning piano under Mr. Smith.
9 D4 }% {7 V) y7 B/ v9 F* [ c. 表示渐变的动词有：get, grow, become, turn, run, go, begin等。0 r: p! I. |) e: x+ g3 s& M
The leaves are turning red.
( T8 ~$ `% i$ d It’s getting warmer and warmer.9 Y- R% I# R3 J, T/ G6 V$ p
d. 与always, constantly, forever 等词连用，表示反复发生的动作或持续存在的状态，往往带有说话人的主观色彩。* B- F7 F. ~: H6 c3 C/ p. j
You are always changing your mind.
. ?' J& f2 M& P 典型例题 N$ _) m1 \; }; o
My dictionary ___, I have looked for it everywhere but still___ it.
/ `& k% g) v% x A. has lost, don’t find B. is missing, don’t find C. has lost, haven’t found D. is missing, haven’t found.7 c* a# l0 K0 m. |0 r
答案D. 前句是一个仍在持续的状态，应用进行时，由于没有找到，其影响仍然存在，应用完成时，瞬间动词用于否定式时可用于完成时 |
发表于 2012-8-14 00:30:10
