then作時間狀語用一般用過去時態。
She looked out of the window every now and then .她不時向窗外探望。
Then it is often called survivor growth .爲此，常稱它爲生存木生長。
Then suddenly he was struck violently .後來他突然重重地捱了一下揍。
Till then i may occupy her room .打現在到那時，我可以佔有她的房間。
He had changed， himself， since then .從那時起，他自己也改變了很多。
通常then意思是（指過去）那時，當時（指將來）到那時，屆時.是一般過去式的標誌.當表示“其次.接着”講時，可以用一般現在或一般過去!.例：They chatted for a while and then went to work.他們聊了一會兒，然後上班去了 will the manager be available， then?那麼經理什麼時候可以接見我呢?當then［與now，sometimes等連用］(一會兒.)一會兒又.：Now the weather is fine，then cloudy.天氣一會兒好，一會兒陰.
