简要介绍几个 1 是动名词+ing eg.Studying English is my hobby 2 介词后+ing(除了to,但也有例外) eg.l was interest in studying English l am look forward to talking with my friends. 3 时态 eg 现在进行时 过去进形时 (使用较普遍) 即 is/are/am doing 与 was/were doing in:1大范围区域 eg.in the word 2还有固定搭配,这个要自己背 eg.in the morning on:1具体日期 2at范围<on范围<in范围 3固定词组 at:1范围以上说过 2固定词组 eg:at night to:1指向性 eg.l get to school by car. 2.固定词组 eg.look forward to