瞬间性动词的完成时 | → | 延续性动词或状态动词的完成时 | ||||
have | (already) | gone to… | have | been in / at … | for (two years) | |
has | come to… | has | been here | since (1990) | ||
(had) | left… | (had) | been away from… | |||
arrived… | been in… | |||||
died | been dead | |||||
begun | been on | |||||
ended | been over | |||||
bought... | had… | |||||
borrowed… | kept… | |||||
joined… | been in … |
It is / has been + (多久)+ since + 主语(人)+谓语(过去时)+……+过去时间状语 |
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