| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] be [prep] a | 23 |
|
| 2 | [pron] [vb past] be for a | 18 |
|
| 3 | it [verb] be for a | 13 |
|
| 4 | it [vb past] be for [art] | 13 |
|
| 5 | it [vb past] [be] for a | 7 |
|
