原句:My father did the experiment in the lab yesterday evening.
强调主语:It was my father who did the experiment in the lab yesterday evening.
强调宾语:It was the experiment that my father did in the lab yesterday evening.
强调时间:It was yesterday evening that my father did the experiment in the lab.(注意不用when)
强调地点:It was in the lab that my father did the experiment yesterday evening.