| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] is [verb] [prep] [art] | 2324 |
|
| 2 | [pron] is [verb] [prep] a | 2119 |
|
| 3 | [Wh det] be [verb] [prep] a | 1540 |
|
| 4 | [Wh det] [be] [verb] [prep] a | 1540 |
|
| 5 | [Wh det] [is] [verb] [prep] a | 680 |
|
