| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [Wh det] [pers pn] [modal v] [verb] | 474 |
|
| 2 | [Wh det] [pers pn] [modal v] [verb] a | 212 |
|
| 3 | [is] [Wh det] [pers pn] [verb] a | 45 |
|
| 4 | [is] [pers pn] [modal v] [verb] a | 20 |
|
