become的过去式和过去分词形式是什么
过去式 became;过去分词 become;
become
v.开始变得;变成;适合(某人);与…相称;使(人)显得漂亮;使好看;
第三人称单数 becomes;
现在分词 becoming
How much does it cost to become a member?
要成为会员得花多少钱?
The situation might all too easily have become a disaster.
这形势本来是很可能成为一场大灾难的。
Students should aim to become more independent of their teachers.
学生应该努力逐渐减少对老师的依赖。