indeed 的确

　　surely无疑

　　however然而

　　obviously显然

　　frankly坦率地说

　　naturally自然

　　luckily (或happily) for sb.算某人幸运

　　fortunately幸好

　　strangely奇怪

　　hone stly真的

　　briefly简单地说等

　　1. Surely, she wont go to China Telecom with you.

　　2. Strangely, he has not been to China Unicom. Still more strangely, he has not called me.

　　二、常见的作插入语的形容词或其短语

　　true真的

　　funny真可笑

　　strange to say说也奇怪

　　needless to say不用说

　　most important of all最为重要

　　worse still更糟糕的等

　　Strange to say, he should have done such a thing.

　　三、常用作插入语的介词短语

　　in a few words(或in sum，in short)简而言之

　　in other words换句话说

　　in a sense在某种意义上

　　in general一般说来

　　in my view在我看来

　　in his opinion(judgment)按照他的意见(判断)

　　in conclusion总之

　　in summary概括地说

　　in fact事实上

　　in the first place首先

　　in addition此外

　　of course当然

　　to our knowledge据我们所知等

　　She knows much more about computer science than the other students do，for instance.

　　四、常用作插入语的分词短语

　　strictly speaking严格地说

　　generally speaking一般地说

　　judging from…根据……判断等

　　Judging from his letter，a campaign against “white pollution“has been undertaken in his hometown.

　　注意:不要理解为现在分词短语作状语，因为上两句中speaking和judging的动作不是句中主语发出的。

　　五、常用作插入语的不定式短语

　　to be sure无疑地

　　to sum up概括地说

　　to tell the truth老实说等

　　To start with，China is ready strengthen scientific and technological cooperation with many countries.

　　六、插入句

　　I am sure我可以肯定地说

　　I believe我相信

　　I wonder我不知道

　　you know你知道

　　you see你明白

　　that is也就是说

　　it seems看来是

　　as I see it照我看来

　　what is important (serious)重要(严重)的是

　　I’m afraid恐怕

　　it is said据说等

　　It will result in success，I suppose.