人教版英语选修6第四单元grammar课件

xperiment that my father did in the lab yesterday evening.?强调时间状语:?It was yesterday evening that my father did the experiment in the lab.Р原句:My father did the experiment in the lab yesterday evening.Р强调地点:It was in the lab that my father did the experiment yesterday evening.Р原句:My father did the experiment in the lab yesterday evening.Р强调地点:?It was in the lab that my father did the experiment yesterday evening.РIs / Was +it + 所强调的部分+that / who+句子其他部分?Р问句结构:?强调句型的一般疑Р原句:你是8点开始工作的吗??Did you begin to start at 8 o'clock??强调句型:?Was it at eight o’clock that you began to work??也就是说,强调句型疑问句原句就是一般疑问句。Р问句结构:?强调句型的特殊疑Р特殊疑问词+is / was +it +?that +句子其他部分?Р原句:他为什么不能回答这个问题??Why could he not answer the question??强调句型:?Why was it that he couldn't answer the question??注意:强调句型的特殊疑问句就是对特殊疑问词的强调,但that后的句式要用陈述句。