3. _D_i_d__ Sally _s_i_n_g___(sing) just now?
句型 结构：
主语+ was\were +其他. 主语+动词过去式+其他.
概念:
过去某个时间里发生的动作或状态； 过去习惯性、经常性的动作、行为
结构:(1) 主语+ was\were +其他.
(2) 主语+动词过去式+其他.
3. At that time, Danny w__a__s__lo_o__k_i_n_g_(look) out of the window .
主语+be (was，were) + doing+时间.
表示过去某段时间或某一时刻正在
概念: 发生或进行的动作及行为
结构: 主语+be (was，were) + doing+时间.
1.Sometimes he _p_la__y_s___ (play) basketball over there.
2.The teacher told us that the earth _g_o_e_s_(go) around the sun.
3. I think it ___is___ (be) a good idea!
动词第三人称单数
主语 I we you they 主语 he she it
肯定 I often go to school He often goes to
句 by bike.
主语+动词原形
school by bike .
主语+动词+ s\es( 三单)
否定 I don’t often go to 句 school by bike.
句型 结构
主语+be (is, am, are) + doing sth.
概念: 表示现在正在发生的动作 结构: 主语+be (is, am, are) + doing sth.
现在分词
标志词：Look! 、 Listen! 、now、
right now , at this time, at the moment, It’s +时间….
1. Look! She _i_s_l_y_i_n_g_ (lie) on the bed. 2. Listen! __I_s__ she t_a_l_k_i_n__g (talk) in the
classroom?
3. Jim _i_s__s_tu__d_y__in__g_(study) English right now.
时间状语：
at 9:30 yesterdht, at this time yesterday, at that time, when, while, as 引导的时间状语从句…
No. 3 一般现在时: Simple Present Tense
lying dying
No. 2 过去进行时: Past Continuous Tense
1.What _w__a__s he d__o_i_n_g_ (do) at seven o’clock yesterday morning?
2.We __W__a_s_n_’_t ___r_e_a_d__in__g____ (not read) books when the bell rang.
概念:
经常、反复发生的动作或行为及现在的某 种状况 ；客观真理
结构: (1) 主语+be（am, is, are）+其他
(2) 主语+动词原型\ 动词3单+其他.
时间状语：
always, usually, often, sometimes, seldom, never, once a week, twice a month, every day/night/week/year …
a time and tense axis
past
present
future
had done
did
was\were doing
do/does am/is/are doing
have/has done would/should do
will/shall do
No. 1 现在进行时: Present Progressive
Does +主语+动词原形？
一般情况动词后+s 以“辅音字母+y”结尾 的动词，变y为i，+es
以s, x, sh, ch, 和o 结尾的动词后面+es
不规则变化
run ask study fly
guess fix finish catch go
have
runs asks studies flies
guesses fixes finishes catches goes
has
No. 4 一般过去时: Simple Past Tense
1. I __w_a_s__ (be) very short when I was in primary school.
2. We _d__id_n_’_t__li_v_e_d__ (not live) in a small house two years ago.
主语+don’t +动词原形
一般 Do you often go to 疑问 school by bike ? 句 Do +主语+动词原形 ?
He does’t often go to school by bike .
主语+doesn’t +动词原形
Does he often go to school by bike ?
时间状语：
构成规则
yesterday, the day before yesterday,
just now, in 1992,
two days ago , a moment ago ,
last night \ week / month…
一般在动词后加-ed
一般在动词原形后 +ing 一般在动词原形后 +ing
重读闭音节以一个辅 音字母结尾的，双写
这一字母+ing
以ie结尾的重读开音 节，改ie为y+ing
go ask write take
get run swim
lie die
going asking writing taking
getting running swimming