| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [verb] | 51061 |
|
| 2 | it be [vb pp] | 37790 |
|
| 3 | [pron] be based | 1044 |
|
| 4 | [pers pn] be based | 608 |
|
| 5 | it be base | 402 |
|
| 6 | it [be] based | 401 |
|
| 7 | it be based | 401 |
|
