The question "How long … about it?" requires the Present Perfect Continuous to ask about the duration of an action continuing up to the present.
La domanda "How long … about it?" richiede il Present Perfect Continuous per chiedere la durata di un'azione continuata fino al presente.
| Question | How long … about it? |
|---|---|
| Title | 2521 |
| QType (0=kprim,1=mc,2=sc) | 2 |
| Q_1 | have you think |
| Q_2 | have you been thinking |
| Q_3 | had you be thinking |
| Answers | 0 1 0 |
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