强调句.
Itis/was+被强调部分+that/(who/whom)(强调主语且指人可用who,强调宾语且指人可用whom)+其它部分.
e.g.Imethiminthestreetthismorning.
Itwas__I__that/whomethiminthestreetthismorning.(强调主语用主格)
Itwas_him___that/whomImetinthestreetthismorning.(强调宾语用宾格)
Itwas_____inthestreet______thatImethimthismorning.(强调地点状语)
Itwas____thismorning_____thatImethiminthestreet.(强调时间状语)