| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which provide | 1372 |
|
| 2 | [Wh det] provides | 674 |
|
| 3 | [Wh det] provided | 362 |
|
| 4 | [Wh det] provide | 310 |
|
| 5 | [Wh det] provided | 27 |
|
