| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [pron] [verb] | 7891 |
|
| 2 | [be] what [verb] | 1459 |
|
| 3 | [is] [Wh det] [verb] | 1225 |
|
| 4 | [is] what [verb] | 1167 |
|
