| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [Wh adv] [pron] [is] to [be] | 13 |
|
| 2 | [prep] [Wh adv] [pron] [is] to [be] | 13 |
|
| 3 | about [Wh adv] [pron] [be] to [be] | 9 |
|
| 4 | about [Wh adv] [pron] [is] [prep] [be] | 6 |
|
| 5 | about [Wh adv] [pron] [is] to [be] | 6 |
|
| 6 | about [Wh adv] [pron] [is] to [be] | 6 |
|
| 7 | about [adv] [pron] [is] to [be] | 6 |
|
