| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] is [vb pp] that about | 13 |
|
| 2 | it is [vb pp] that about | 13 |
|
| 3 | it is [vb pp] that about | 13 |
|
| 4 | [pron] is estimated that about | 10 |
|
