现在完成时态公开课汇总

Great changes have taken place in China in the past fifty years.
We have learned 1000 words by now/ up to now/ so far.
Summary (5):
当某个行为发生的确切时间不很清楚或 不重要. 出现下面的这些时间表达方式 我们用现在完成时:
just now,用一般过去时
1.Tom __w_r_o_t(ewrite) a letter to his mother last night.
2.I bought a new house, but I __B_ my old one yet, so at the moment I have two houses. A. didn’t sell B. haven’t sold
1.She cleaned the room. (房子现在是否干净不知道)
现在完成时 PK 一般过去时：
1.现在完成时: 强调动作对现在产生了结
果和影响.
2.一般过去时: 只表示过去的动作和状态.
强调动作. 若有时间状语：yesterday, last week，…ago, in1980, in October,
I have known him for a long time.
He has not eted the work.
Has the postman come yet this morning?
1. Police in America have stepped up their search for a fifteen-year-old boy.
already, ever, for, just, lately, never, recently, since, yet, so far，by的短语, in the past/last+段时间
The boy has already come here.
I haven’t heard anything from him yet. Notes 1:
A. did you put; have put B. have you put; put C. had you put; was putting D. were you putting; put
第一个空“放”这个动作强调对现 在的影响，“我找不到”第二个空 “放”指过去的一个动作
Summary (2):
我们肯定句中用 already ，
否定句或疑问句中用yet.
3.I _st_u_d_ie_d_ (study) in Zhentou middle school for three years, but now I’m
studying here.
—Where __B___ the recorder? I can’t see it anywhere. — I ____ it right here. But now it’s gone.
(already open) the window.
过去的动作: Eric opened the window. 也与现在相关: The window is open.)
Summary (1):
我们用现在完成时谈论发生在过去， 但是对现在仍有影响的事.
现在完成时 PK 一般过去时：
1. She has cleaned the room. (房子现在是干净的)
2. The incident has received great interest due to reports.
3. While we have not dismissed the idea, we are looking into other possibility as well.
the Present Perfect Tense
A. hasn’t cleaned B. didn’t clean C. wasn’t cleaned D. hasn’t been cleaned
Summary (3):
我们用现在完成时谈论刚刚完成的 动作。
The police _h_a_v_e__ju_s_t__ __f_in_i_s_h_e_d__ (just finish)
A. had met B. have met C. met D. meet
I ___h_a_v_e_r_e_a_d____(read)
your article three times. It’s well written.
Read the following sentences:
Have you watched any good shows lately/recently?
searching the area.
“I _h_a_ve__ju_s_t_a_rr_iv_e_d(just arrive) by train.” she said.
Summary (4):
我们用现在完成时表示反复发生的动作。
1.You don't need to describe her. I ___ her several times.
Form: have/has + done Negative form: have/has not done Question form: Have/Has +主语+done
Look, the window is open. Eric opened the door just now.
Eric _h_as_a_l_re_a_d_y_o_p_e_ne_d
我们用现在完成时谈论开始于过去，
并且还持续到现在的事。
I have not seen Justin since last Friday night.
Exercise
Beth isn’t here. She__h_a_s_g_o_n_e_(go) to Beijing.
高考链接
—The window is dirty. — I know. It ____D____ for weeks.