present perfect 加has/have+past participle 而present perfect progressive has/have+been+verb+ingparticiple 过去分词 扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多优质解析解答一 举报present perfect 和 present perfect continuous 的最大区别在: 前者表示某事情在过去已经完全完成,可不知道确定时间....
IRREGULAR VERBS (INF, PAST & PARTICIPLE)_Gateway B1 老師78個詞語 Helenalarranaga預覽 Subjunctive 1- Irregular verbs and spelling changes 15個詞語 rebecca_tindal250預覽 English Negative Prefixes 24個詞語 Yehor12_預覽 English File Intermediate 4th Edition - File 3B - Dependent prepositions after verbs ...