| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] how old [pron] | 20 |
|
| 2 | [vb infin] how old [pers pn] | 20 |
|
| 3 | [vb infin] how old [pron] | 20 |
|
| 4 | know how old [pron] | 9 |
|
| 5 | [vb infin] how old she | 5 |
|
| 6 | [vb infin] how old i | 5 |
|
| 7 | [vb infin] how old i | 5 |
|
| 8 | [vb infin] how old she | 5 |
|
