请帮我看一下英文有没有译错,如果有请帮我改正,

请帮我看一下英文有没有译错,如果有请帮我改正,
1.天看起来好像要下雨.
The weather looks as if it is going to rain soon.
2.他们跟我一起在森林中寻找那种特殊的植物.
They are in their search for the special plant with me.
3.中国队在动身去巴塞罗那参加奥运会以前开了一整天会.
Chinese team held a whole day meeting before they set off for Barcelona Olympic Games.
4.约翰的一个朋友十多年前去世了,他的孩子是约翰抚养大的.
One of a John's friends,whose child has been brought up by John,died over ten years ago.
5.起初他对表演没把握,但第一次表演以后,他就喜欢上演剧了.
First he is uncertain about acting,however,after do it once,he likes do.
6.早在19世纪,无声电影就产生了.
As early as nineteenth century,silent films had been developed.
7.卓别林对电影业做出了很大贡献,被认为是世界上最著名的喜剧演员之一.
Chaplin was considered one of the greatest world's famous actors for his contribition to cinema industry.