Chapter 6 Water talk
3. 用in/at/on表示時間
in+年份/月份/季節(jié)（in , in august, in spring）
at+ 具體的時間（8:45, at three, at noon, at dawn, at night）
on+日期(on jan. 1st, 1956; on the morning of jan. 12st; on a cold evening
4. be going to/will表示將來時的區(qū)別
be going to 結(jié)構(gòu)常用來表示事先經(jīng)過考慮的意圖、打算或準(zhǔn)備；或很快就要發(fā)生的將來的情況或行動。
will 可以表示愿意和決心。
i am going to be 50 next monday.
i have bought some bricks and i am going go rebuild the house next week.
there is a knock on the door. i will go to open it.
if you are going to the cinema tonight, you’d better take your key.
5. 動詞不定式作主語：不定式短語作語時，常用形式主語it來代替，而真正的主語放在句子的謂語后面。
it’s not easy for me to get there. (對事加以評論)
it is brave of you to walk in to the forest by yourself. (對人加以評論)
動詞不定式肯定形式（to do）和否定形式（not to do）
it was time to get cleaned up.
remember not to waste me or pollute me.
6. 狀語從句
在句子中作狀語的從句叫狀語從句。它是用來修飾動詞、形容詞、副詞或整個句子的狀語從句根據(jù)作用的不同可分為以下幾種，注意所用的不同連詞。
1) 時間狀語從句：when, while, as, as soon as, after, before, until, since
2) 條件狀語從句：if, as long as
3) 原因狀語從句：because, since, as
4) 讓步狀語從句：although, though, now that
5) 結(jié)果狀語從句：so…that, so that, such… that
6) 目的狀語從句：so that, in order that
7) 比較/方式狀語從句：as…as, not as…as, not so…as, than
8) 地點狀語從句：where, wherever
狀語從句中一般都不能和將來時態(tài)。如果從句要表示將來的動作或狀態(tài)時，需用一般現(xiàn)在時來代替。
iii. notes
1. here i am. 我在這里（副詞提前）。
2. 統(tǒng)計圖表的表達(dá)
bar chart(直條圖)，line graph(線條圖),flow chart(流程圖)
3. 賓語從句要用陳述句來表達(dá)
do you know where i am from?
i thought i heard voices in there.
you know where that is.
4. voice 嗓音/sound聲音/noise 噪音
5. a voice said loudly 相當(dāng)于（sb.）said in a loud voice 一個聲音大聲說