2)after 作介词 after doing sth
2.in +一段时间,表示说话时或以现在为起点的将来一段时间之后
He came back ______ two days .
He will go home___finishing his homework .
He will come back _____ two days .
1.with 表示“用…”一般指有形的工具/ 手段/ 人体器官
He cut the apple into halves with a knife .
He came in with a big smile on his face .
2.in表示用某种语言,方式,途径,
Can you say it inEnglish ?
He wrote a letter inblue ink .
3.by表示乘坐交通工具, 表示方式,方法
I study for a test by working with a group .
He makes a living by selling newspapers .
1)by phone = on the phone
2)by car = in a car 3).in pen = with a pen = with pens
六.across / through / over / by 经过
1.across 指横穿,穿过.表示动作从某一物体表面上经过
2.through 指穿过,透过,表示从某一物体空间内通过.
3.over 表示从某人或某物的上空经过或越过,不与表面接触
4.by表示从某人/某物的旁边经过
Can you swim ______ the river ?