進(jìn)行體表示長動(dòng)作該如何應(yīng)用？

所謂“進(jìn)行體”是英語語法名詞 English progressive aspect 的中文翻譯，其語法分析意義在于解釋謂語動(dòng)詞進(jìn)行時(shí)態(tài)以外的“動(dòng)詞+ing”用法與語義表達(dá)，即非謂語動(dòng)詞的使用和詞義。

進(jìn)行體：

一個(gè)長動(dòng)作作為背景，被一個(gè)短動(dòng)作打斷，長動(dòng)作往往用進(jìn)行體，短動(dòng)作用一般體。如：

My brother fell while he was riding his bicycle and hurt himself．

我弟弟騎自行車時(shí)從車子上掉了下來，傷了自己。

The students were writing busily when Miss Brown went to get a book she had left in the office．

同學(xué)們?cè)诿χ鴮懽鳎@時(shí)布朗老師去取她忘在辦公室的書。

Tom slipped into the house when no one was looking．

當(dāng)沒人注意的時(shí)候，湯姆溜進(jìn)了房子。

The reporter said that the UFO was traveling east to west when he saw it．

那位記者說，當(dāng)他看到那個(gè)不明飛行物時(shí)，它正在自東向西飛行。