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ä¸è¬è¿å»æ¶~DONE
ä¸è¬å°æ¥æ¶~SHALL/WILL DO
è¿å»å°æ¥æ¶~SHOULD/WOULD DO
ç°å¨è¿è¡æ¶~BE(AM/ARE/IS) DOING
è¿å»è¿è¡æ¶~WAS/WERE DOING
å°æ¥è¿è¡æ¶~SHALL/WILL BE DOING
ç°å¨å®ææ¶~HAS/HAVE DONE
è¿å»å®ææ¶~HAD DONE
ç°å¨å®æè¿è¡æ¶~HAS/HAVE BEEN DOING
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