| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [pers pn] is doubtful whether | 30 |
|
| 2 | [coord] it is doubtful whether | 30 |
|
| 3 | [coord] [pers pn] is doubtful whether | 30 |
|
| 4 | but [pers pn] is doubtful whether | 17 |
|
| 5 | and [pers pn] is doubtful whether | 13 |
|
