| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [pers pn] [be] a | 907 |
|
| 2 | [prep] [pers pn] be a | 907 |
|
| 3 | [prep] [pron] is a | 576 |
|
| 4 | [prep] [pers pn] is [art] | 511 |
|
| 5 | [prep] [pers pn] [is] a | 344 |
|
| 6 | [prep] [pers pn] is a | 278 |
|
