强调句 It was yesterday evening that(when) my father did the experiment in the lab.其中的that和when都对吗?我看有的强调句语法里面有说明不可以用when的,只能用that.有木有高手帮解答一下到底可以用吗?

Mary met Jhon in the factory yesterday 改为强调句,分别强调地点和时间各用 it was.was it.who was it that.三种形式 强调句中强调主语是it was i that met him yesterday,为什么是用i而不用me? We met him at the school gate yesterday afternoon对地点进行强调,变成强调句是It was the school gate we met him at yesterday afternoon还是It was at theschool gate we met him yesterday afternoon -Where did you pick up this wallet? -It was in the supermarket where I did some shopping yesterday.这里怎么是用where 不是强调句吗? I bought him a book in a bookshop yesterday.改成强调句：It was him I bought a book in a bookshopyesterday.错的话错在哪里? it was rainy yesterday改为同义句It was ___ ___ ___ yesterday. It was yesterday that he met my brother in the Zoo.我知道这个是强调句,怎么把它变为表语从句?It was yesterday that he met my brother in the Zoo.我知道这个是强调句,那它为什么不是表语从句呢?如果把它变为表语 强调句可以强调形容词吗? 比如It was clear that? 强调句it is（was) .that/who,其中it is（was)能不能写成it's/it was不能缩写么? Can it be in the rastaurant that I met you yesterday?是不是强调句?为什么? it was very windy yesterday morning.同义句 there was （）（）（）（）yesterday morning It was very windy yesterday morning.改为同义句There was ( )( ) ( )( ) yesterday was it (snow) yesterday? ?was it yesterday? it was hotter yesterday how hot it was yesterday的同义句 It was cloudy yesterday.根据答句写出问句. It seemed that was ill yesterday.（同义句）【急】