all together和 altogether； already 和 all ready 这两个怎么区别啊！ 求高人指点！！！ 我老是出错 T^T

1. altogether总计，总共="completely" /"in all." 。如：Altogether there are six of us. (我们总计六人。)
all together全都在一起="together in a single group." 。如：We played the game all together. (我们大家都一起来玩游戏吧。)
2. already已经，一般与现在完成式连用。如：She has already finished the homework.（她已经完成了家庭作业。）
all ready全部准备好。如：Is everything ready? All ready!(全部都准备好了吗？全准备好了。)