英語(yǔ)中“強(qiáng)調(diào)句型”是什么？

It
is
(was)
被強(qiáng)調(diào)部分+that
(who)
+
句子其他部分。
此結(jié)構(gòu)強(qiáng)調(diào)的成分僅限于主語(yǔ)，賓語(yǔ)和狀語(yǔ)。強(qiáng)調(diào)句的連詞只有兩個(gè)，that和who。當(dāng)強(qiáng)調(diào)的部分是人，且為句子的主語(yǔ)時(shí)，才用
"who"，其余用that。
原句：
My
father
did
the
experiment
in
the
lab
yesterdayevening.
強(qiáng)調(diào)主語(yǔ)：
Itwas
my
father
who
did
the
experiment
in
the
lab
yesterday
evening.
強(qiáng)調(diào)賓語(yǔ)：
Itwas
the
experiment
that
my
father
did
in
the
lab
yesterday
evening.
強(qiáng)調(diào)時(shí)間：
Itwas
yesterday
evening
that
my
father
did
the
experiment
in
the
lab.
(注意不用when)
強(qiáng)調(diào)地點(diǎn)：
Itwas
in
the
lab
that
my
father
did
the
experiment
yesterday
evening.