| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which is to be [verb] | 174 |
|
| 2 | which is to be [vb pp] | 173 |
|
| 3 | [pron] is to be used | 30 |
|
| 4 | which [be] to be used | 28 |
|
| 5 | which be to be used | 28 |
|
| 6 | which is [prep] be used | 8 |
|
| 7 | which is [prep] be used | 8 |
|
| 8 | which is to be used | 8 |
|
| 9 | which is to [be] used | 8 |
|
| 10 | which [is] to be used | 8 |
|
| 11 | which is to be use | 8 |
|
| 12 | which is to be used | 8 |
|
| 13 | which is to [be] used | 8 |
|
