| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we [modal v] refer [prep] | 54 |
|
| 2 | [Wh det] we [modal v] [prep] | 35 |
|
| 3 | [Wh det] we [modal v] refer | 12 |
|
| 4 | [Wh det] [modal v] refer [prep] | 6 |
|
