| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [am/are] [verb] for | 127 |
|
| 2 | [Wh det] [am/are] use [prep] | 70 |
|
| 3 | [Wh det] [be] use for | 61 |
|
| 4 | [pron] [am/are] use for | 42 |
|
