I watched that film yesterday. 我昨天那个电影。 (The watch action is missing. So it should be "我昨天( 看了) 那个电影", and in chinese, the "了" after the action "看" always showing the action had done. ) I have never been to China, but hope to go soon. 我不去中国，但是最近希望去。 (The "不" has another hidden means "reject". So the "没有" is always used in the situations that with not rejection meaning. So this sentence should be "我没有去（过）中国。 去（过）means had visited. 没去过 means had not visited ) We all laughed at her joke. 我们都笑的她笑话 ( In fact, does you know what happened? She speaks a joke? Or Something happened to her which be seen as a joke? So In Chinese it is different: "我们都被她的笑话逗笑了" means she speaks a joke and we laugh for the joke. "我们都被她闹出的笑话逗笑了"，means she done something can be seen as a joke, and we laughed for it. ) I have already been to the shop. 我已经去了商店。 (the "过" is used after "去"， so "去过" is always be used. “了” is always after an action, so it always be “作了” ) He walks to school everyday. 他每天走学校 (As a method, it always be "步行去" or "走着去" or "走到" ) Their exam starts in an hour. 他们一点时候开始的考试 （一点 means one o'clock. In fact "in an hour" means after an hour, so the translation should be "他们一个小时以后开始考试"） I will go there myself to look at things. 我将要去这儿看的东西。 （there should be translated as "那里" or "那儿". 这儿 means here. ）