| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [be] [vb pp] for this | 34 |
|
| 2 | [prep] be [vb pp] for this | 34 |
|
| 3 | [prep] be [vb pp] for this | 33 |
|
| 4 | [prep] [be] [vb pp] for this | 33 |
|
| 5 | to [be] [vb pp] for this | 33 |
|
| 6 | [prep] [be] used for this | 8 |
|
