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1. 主å°ä»ç°ï¼å½ä»å¥æ¯æ¶é´ï¼æ¡ä»¶ï¼è®©æ¥ç¶è¯ä»å¥æ¶ï¼ä¸»å¥åºä½¿ç¨ä¸è¬å°æ¥æ¶æï¼ä»å¥ç¨ä¸è¬ç°å¨æ¶æ表å°æ¥ãå¦ï¼ I will attend his wedding ceremony party if I am invited.
2. when å¼å¯¼çæ¶é´ç¶è¯ä»å¥ä¸è¬å¸¸ç¨ä¸è¬è¿å»æ¶æï¼è¿ä¸æ
åµéç¨äºä¸»ä»å¤åå¥ï¼è主å¥å é¢èå¼ï¼å¦:
be about to do sth +when ä»å¥
be doing sth. +when ä»å¥
be going to do sth. +when ä»å¥
.....had done sth. +when ä»å¥
since å¼å¯¼æ¶é´ç¶è¯ä»å¥æ¶ï¼å¥åå¦ä¸ï¼ä¸»å¥ï¼ç°å¨å®ææ¶æï¼+since ä»å¥(ä¸è¬è¿å»æ¶æ
It is / has been +æ¶é´æ®µ+ since ä»å¥ï¼ä¸è¬è¿å»æ¶æï¼
å¥åä¸å«æä»è¯çè¯ over the past .....æ in the last ....æ¶ï¼å¥ååºç¨ç°å¨å®ææ¶æï¼
3. å®è¯ä»å¥çæ¶æå é¢èå¼ï¼åºå
·ä½é®é¢å
·ä½åæ
4. åè¯æ§ä»å¥çæ¶æå é¢èå¼ã
以ä¸è§ç¹ä¾åèï¼ä»¤ï¼ä½ çè¯é¢å¤ªæ¦æ¬äºï¼ä½ç¸ä¿¡æçåçä¼å¯¹ä½ æå®é
帮å©ï¼ç¨å¿ä½ä¼å§ï¼ç¥å¦ä¸ææï¼
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