passive

passive passive observer present continuous passive past passive是什么意思? You always passive. passive-aggressive-behavior是什么意思 Passive -aggressive是什么意思 什么是PASSIVE VOICE啊? presnt perfect passive negative..passive..negative&positive..passive&active..怎么区别它们啊. i wrote a letter.passive Two hearts have become passive negative 和 passive的区别? past simple passive 好像是语法 用英文怎么解释Passive Smoking continuous active passive这是个什么时态? Change these sentences into passive sentences是什么意思 catch passive fish with active gear and active fish with passive