| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] purpose for which | 12 |
|
| 2 | [conj] purposes for which | 12 |
|
| 3 | [conj] purpose for which | 12 |
|
| 4 | and purpose for which | 7 |
|
| 5 | and purpose for which | 7 |
|
| 6 | or purpose for which | 5 |
|
| 7 | or purpose for which | 5 |
|
