5.even if/even though 引導(dǎo)讓步狀語從句
    教材例句
    Native speakers can understand each other even if they don’t speak the same kind of English.
    句型解讀
    even if/even though, 意為“即使”，用來引導(dǎo)一個(gè)讓步狀語從句，后面既可用陳述語氣，也可用虛擬語氣，但是even if/even though,引導(dǎo)的從句中不用將來時(shí)。如：Even though/if it rains tomorrow, we will leave for Beijing.
    6.動(dòng)詞 -ing形式作狀語
    教材例句
    One big change in English usage happened when Noah Webster wrote the American Dictionary of the English Language，giving American English its own identity.
    句型解讀
    動(dòng)詞-ing形式作狀語時(shí)，可表示時(shí)間、原因、結(jié)果、條件、讓步、行為方式、伴隨狀況等，通常情況下句子的主語與該動(dòng)詞之間是邏輯上的主動(dòng)關(guān)系，表示時(shí)間關(guān)系的分詞短語有時(shí)可由when及while引出。如：Both of his parents died in the war, leaving him alone.
    7.連詞since引導(dǎo)時(shí)間狀語從句
    教材例句
    Since middle school, my sister Wang Wei and I have dreamed about taking a great bike trip.
    句型解讀
    連詞since 引導(dǎo)的時(shí)間狀語從句用一般過去時(shí)，介詞since 與表示過去某一點(diǎn)時(shí)間的詞語連用，副詞since 后不用從句或詞語。
    It is/has been+一段時(shí)間+since+一般過去時(shí)(從句中的動(dòng)作不能延續(xù))自從……至今已經(jīng)多久了。
    since then 自從那時(shí)至今 ever since 從那以后一直
    8、強(qiáng)調(diào)句型
    教材例句
    It was my sister who first had the idea to cycle along the Mekong River from where it begins to where it ends.
    句型解讀
    強(qiáng)調(diào)句型It is/was…that/who 的用法歸納如下：
    強(qiáng)調(diào)句型可以強(qiáng)調(diào)除謂語動(dòng)詞以外的任何句子成份。一般來說，如果被強(qiáng)調(diào)部分是人時(shí)，用連詞that或who；如果被強(qiáng)調(diào)部分是物，只能用連詞that。 強(qiáng)調(diào)句型應(yīng)避免使用when, where, which 等連詞。
    含一般疑問句和特殊疑問句的強(qiáng)調(diào)句句型:
    ① 含一般疑問句的強(qiáng)調(diào)句型，其結(jié)構(gòu)為：Is it+被強(qiáng)調(diào)部分+that/who+句子的其余部分？
    ② 特殊疑問句的強(qiáng)調(diào)句型結(jié)構(gòu)形式為：特殊疑問詞+is/was it that/who+句子的其余部分