| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [to-vb] been a | 21 |
|
| 2 | [vb base] to have be a | 21 |
|
| 3 | seem [to-vb] be a | 15 |
|
| 4 | [vb base] [to-vb] is a | 13 |
|
| 5 | have [to-vb] be a | 6 |
|
