| 释义 |
DEFINITIVE EXAMPLES 权威例句〔COMPLETE/NOT COMPLETE〕Complete the sentences using either the simple past or present perfect tense of the verbs. 用动词的一般过去式或现在完成式完成这些句子。朗文写作活用〔present perfect〕A verb in the present perfect tense.现在完成时态的动词形式美国传统〔the present perfect〕The sentences "She has talked to her doctor about the problem" and "I have never been to Australia" are all in the present perfect.句子 She has broken her leg 和 I have never been to Australia 用的都是现在完成时。剑桥高阶〔unit〕The present perfect is covered in Unit 8.现在完成时在第 8 单元讲解。牛津高阶 |