3.Four students are playing volleyball outside. 四个学生在外面打排球 。（作定语）
4.We are sixteen. 我们是16个人 。（作表语）
5.They three tried to finish the task before sunset. 他们三个人尽力想在日落前完成任务 。
6.【求5篇英语作文,字数40~50即可,无需翻译】1)Today,I feel stair very dirty,I want to do good deeds.I said to her mother,"I want to clean sweep on the first floor,has been stair." Mother agreed.So I took the broom began to clean the stair,from my house to the fifth floor downward all Saul to the first floor.I think has swept very clean,but also esau is fast,but I was not a bit tired.I clean after me good,he went to the 4th floor old woman's house.I can do this thing,a savory praised me,I was very happy.译：今天，我觉得楼梯很脏，我要做好事.我对妈妈说：“我要打扫楼梯，一直扫到一楼.”妈妈答应了.于是，我拿着扫把开始打扫楼梯，从我家5楼一直往下扫到一楼.我觉得已经扫得很干净了，而且也扫得比较快，可是我一点也不累.我打扫好了以后，就到4楼阿婆家玩.我做了这件好事后，阿婆表扬了我，我心里很高兴.2)Ah ha,when I get up,it was time for lunch.But I really have a lot of work to do,I must write words English dairy,then learned “Li yang” English,then …… .Oh,my god,if I do it in the afternoon,I will ready to dead.So I wrote words,now I'm writing my English dairy.Wish I could finish these works today.Bye！哈哈，当我起床的时候，刚好到了午餐时间.但我真的有很多工作要做，我必须写单词，然后学习"李阳疯狂英语"，然后……哦，我的上帝，如果我要一直做到下午，我真的快死了.因此我在写单词，写我的英文日记.希望我能完成今天这些任务.再见了！3)How happy I am.Yesterday I finished all the work very quick,so I have a lot of time to do myself.Sometimes finish work early is a good thing,we can have more interests to do the next work.Because of this,I write English dairy eight in the morning.But I wrote it in the evening in the pass day.Everyone,if you can finish the work quickly,not lazy,try your best.我有多么的高兴，昨天我很快完成了所有的工作，所以我有很多时间用来自己分配.有时提前完成学习任务是件好事，我们会有更多的兴趣去做下一件事情.正因为如此，我写英语日记都是在早上八点.但在过去的晚上我还是要在晚上写.任何人，如果你能完成这项工作得很快，不要偷懒，尽自己最大的努力.4)I had a good time last weekend.On Sunday morning,I stayed at home and did my homework.The homework wasn't difficult.After that,I played volleyball with my friends.It was tired,but very exciting.In the afternoon,I cooked dinner for my parents.It was a little difficult,I think.After dinner,I went to swim in the river.I can swim very well.I had a relaxing weekend.我有一个很好的时间上周末.星期天早上，我留在家里和我的家庭作业.作业并不困难.在此之后，我打排球我的朋友.这是很累，但非常兴奋.下午，我煮晚餐我的父母.这是一个什么困难，我想.晚餐后，我去游泳，在河里.我可以游得很好.我有一个轻松的周末.5)This holiday is my best busy holiday for I am learning English,computer word I fall in the weekend exam.Many times I want to take today off,my mother said to me:“go on,you must belive that you can do it.” So I have to try.Now my English is better than 2months ago.I must thanks my mother,she is good for me.Practices makes perfect.这个假期是我最好的繁忙的节日，因为我在周末考试没考好，所以我学习英语和计算机单词.许多次，我想放弃今天的学习，妈妈对我说：“继续，你相信你能做到."所以我不能不试一试.现在我的英语比2个月前好得多.我要感谢我的妈妈，她对我很好.实践才能达到完美. 。
