| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [pron] [verb] to be a | 165 |
|
| 2 | [Wh det] [pron] [vb past] to be [art] | 149 |
|
| 3 | [pron] [pron] [vb past] to be a | 85 |
|
| 4 | [Wh det] [pron] [vb past] [prep] be a | 69 |
|
| 5 | [Wh det] [pron] [vb past] to be a | 69 |
|
| 6 | [Wh det] [pron] [vb past] to [be] a | 69 |
|
| 7 | [Wh det] [pron] [vb past] to [be] a | 69 |
|
