【正文】
elp me with my maths. 他主動提出幫我學(xué)數(shù)學(xué)。 語言 (Language): 過去進(jìn)行時(shí) : be (was / were + Ving)[ 1 過去某個(gè)具體的時(shí)間: at 7 yesterday, this time yesterday, from 7 to 9 …… My mother was cooking dinner at 6 pm yesterday. What were you doing this time yesterday? 2由 while 引導(dǎo)在過去時(shí)間里同時(shí)進(jìn)行的兩個(gè)動作 My mother was cooking dinner while my father was watching TV. 3 由 when引導(dǎo)的過去進(jìn)行時(shí) (注意:持續(xù)性動詞和短暫性動詞 ) I was listening to the music when the alarm went off. The students were playing noisily when the teacher came in.