一、动词过去式、过去分词的构成 1. regular form 规则变化 （1）finishfinished-finished play-played-played （2）live-livedlived move-moved-moved （3）carry-carried-carried try-tried-tried ( 去y改i 加ed) （4）stop-stoppedstopped chatchatted-chatted ( 重读闭音节, 双写加ed) 2. irregular form 不规则变化 (1) AAA 型：cut-cut-cut read-read-read (2) ABB 型：feel-felt-felt make-made-made (3) ABC 型：forget-forgot-forgotten see-saw-seen (4) ABA 型：come-camecome run-ranrun (5) AAB 型：beat-beat-beaten 三、现在完成时的结构： 我看过这部电影。 I have seen this film. 他刚去图书馆了。 He has
