2.謂語擴展：
The boy likes English very much.
The boy likes English out of interest.
The boy likes English influenced by his parents.
The boy likes English, hoping that one day he can go abroad.
The boy liked English when he was five years old.
注：謂語動詞like通過添加副詞短語、介詞短語、現在分詞短語、過去分詞短語、狀語從句等進行擴展，從而使句子變得復雜，增加了理解難度?？佳蟹g中注意找準動詞及其修飾成分,以弄清邏輯關系。
3.賓語擴展：
The boy likes American English.
The boy likes English, the international language.
The boy likes English which is the most widely spoken language in the world.
The boy likes English spoken by many people nowadays.
The boy likes English, a beautiful language, spoken by many people living in every corner of the world.
注：賓語English通過添加形容詞(短語)、同位語、定語從句、分詞短語及其組合進行擴展，從而使簡單句變得復雜化?？佳蟹g中要注意這些修飾成分，如分詞結構要找出邏輯主語等，定語從句要找出先行詞，等等。
(二)鉆石句型②主系表句型The girl (主語) is (系動詞) Mary (表語).
各部分擴展：
The girl in a pink hat with a book in her hand is probably Mary a kind-hearted girl of inexhaustible energ
