区别catching fish 和fishing

区别catching fish 和fishing Are you catching any fish?同上 Cormorants are good at catching fish a fish和one fish有什么区别 catching. catching fish和go fishing的区别是什么 英语语法不懂Instead of catching fish,they catch old boots and rubbish.第一个catch和第二个为什么不是一个时态? instead of doing sth原句是：Instead of catching fish they catch old boots and rubbish.改为：They caught old boots and rubbish instead of catching fish.把动词换为过去式,主句提前,那用了过去式，意思表达是不是有点区别 i often fish for hours without catching anything.这里的fish 是什么词性 THE FISH 和 FISH 为什么在 I often fish for hours without catching anything中catching是without的宾语?...为什么在 I often fish for hours without catching anything中catching是without的宾语?宾语应该是动作承受者呀. food和fish分别与foods 和fishes的区别 catching butterflies的音标和翻译 I often fish for hours without catching anything.请问without catching anything怎么解释,是不是without doing sth?这句话要如何翻译?I often fish for hours without catching something可以吗? Why is Lee's cat catching the mice?和Why isn't Lee's cat catching the mice?有啥区别?怎么理解这两句,我只学过is lee's这种情况,即没加否定的 catching fish的fish 不是可数的吗?为什么fish不用加es?那些鱼是一条条活的。是可数的。为什么不加es？ 动名词作宾语的问题I often fish for hours without catching anything.“catching”是做”without”的宾语吗?为什么?