关于forgot 和forgotten例如：I gorgot to do和I have forgotten to do 有什么区别?在交际英语中又有什么具体的不同?

关于forgot 和forgotten例如：I gorgot to do和I have forgotten to do 有什么区别?在交际英语中又有什么具体的不同? forgot和forgotten之间的区别是什么啊? 过去分词forgot forgotten区别 能不能帮我列一下初中常用的 动词 的过去时态 和 过去分词如 forget forgot forgotten forget的过去分词是forgot还是forgotten I'm forgetting.I was forgot.I have been forgotten, forget forgot have forgotten 区别-What's her name?-I ____.A.forget B.forgot C.forgotten I have forgotten 和I forgot的 区别例如 How much does the course cost you?Sorry,I （have forgotten）.I'm afraid.练习册的答案是这个 但是想不通. 想问下过去式和过去分词的区别.比如：Slang words can be popular for a time,but then forgot and not used any more.中forgot为什么要用forgotten this is the only thing I ___(forget)我认为是have forgotten,大家说是have forgotten还是forgot?为什么呢》? 用forgot还是forgotten?Have you sent for a doctor?-Oh!I ______ all about it.(用forget的正确形式填空)应填上forgot,还是have forgotten? marry,i should tell you ,it is the third time that you __your homeworka forgot to do b forgot doingc have forgotten to dod had forgotten doing ---Sorry,Sir I forgot to do my homework last night.---Tom,you____many times,You should believableA.forgot B.forgrt C.had forgotten D.have forgotten Forgotten can i use your dictionary for a while?sorry,i have _________mineA forgot to take forB forgotten bringingC forgotten to bringD forgotten taking Haven't you forgotten …oh.i forgot my bag 为什么填something pardon She said she _____(forget) to do her homeworked.是forgot还是had forgotten? Never has he forgot 还是Never has he forgotten呢?求解