| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could be [vb pp] was | 9 |
|
| 2 | [pers pn] [vb mod] be [vb pp] was | 8 |
|
| 3 | which [vb mod] be [vb pp] was | 5 |
|
| 4 | [Wh det] [vb mod] be [vb pp] was | 5 |
|
| 5 | it [vb mod] be [vb pp] was | 5 |
|
| 6 | it [vb mod] be [vb pp] was | 5 |
|
| 7 | which [vb mod] be [vb pp] was | 5 |
|
