仁爱英语九年级上册Unit4知识点总结--By-Willa(共26页).docx

仁爱英语九年级上册Unit4知识点总结 By Willa Jan.21st ,2018Topic 1 When was it invented?1 重要句型：Section A1. Because I was not allowed to play computer games last night.因为昨晚他们不让我玩电脑游戏。allow “允许、准许”的意思。常用于以下几种形式： (1) allow +n./prep 如： We cant allow such a thing.我们不容许这种事情发生。 (2) allow sb. to do sth 允许某人做某事 如： She allowed me to go fishing.她允许我去钓鱼。 (3) allow +doing sth 允许做某事 如： We dont allow smoking in the reading-room.我们不允许在阅览室吸烟。 (4) be