听雨轩808
have原型had过去式We had some guests for dinner last night. 我们昨晚请了几位客人吃饭。We had a wonderful time on the beach. 我们在海滩上玩得好极了。had过去分词 They had already had breakfast before they arrived at the hotel.
dp73255815
have的过去式和过去分词都是had,但是具体应用有区别。1.表示过去用过去式:Wehadameetingyesterday.(发生在过去)2.表示现在完成(助动词的现在式+过去分词):Wehavehadameetingjustnow.(虽然发生在过去,却对现在产生了影响,即会议的进程在说话时依然清晰可见)3.表示过去完成(助动词的过去式+过去分词):Wetoldhimwehadhadameetingthedaybeforeyesterday.(发生在told的过去,即过去的过去)