| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] perhaps [det] [art] | 9 |
|
| 2 | [prep] perhaps [det] a | 8 |
|
| 3 | [prep] perhaps half [art] | 8 |
|
| 4 | [prep] perhaps [det] a | 7 |
|
