| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] be [verb] for the purpose | 11 |
|
| 2 | to be [verb] for the purpose | 11 |
|
| 3 | [prep] be [vb pp] for the purpose | 11 |
|
| 4 | [prep] be use for the purpose | 5 |
|
| 5 | [prep] be used for the purpose | 5 |
|
