Joining sentences

　　Ideas in writing can be connected in three different ways：

　　1. By using a conjunction：

　　Time： and， before， after， while， when

　　Reason， cause or consequence： and， because， so that， so……that， such a ……that

　　contrast： but， although

　　I called her back so that I could confirm one or two details.

　　The consignment was delivered while we were very busy.

　　The goods were repacked so quickly that we had no time to inspect them.

　　2. By using a linking adverbial phrase （often starting a new sentence）：

　　Time： Before that， After that， And then， During this time

　　Reason， cause or consequence： Because of this， This is why， As a result， Consequently

　　Contrast： Nevertheless， However

　　I wanted to confirm one or two details. That is way I called her back.

　　The consignment was delivered on Friday. During this time we were very busy.

　　The goods were repacked at once. Consequently there was no time to inspect them.

　　3. By using a preposition：

　　Time： before， after， during

　　Reason， cause or consequence： because of， due to

　　Contrast： in spite of

　　I called her back because of the need to confirm one or two details.

　　The consignment was delivered during a very busy time.

　　Due to our prompt repacking procedure， the goods were not inspected.