| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [am/are] [vb pp] by [pron] | 514 |
|
| 2 | [be] [vb pp] by what | 216 |
|
| 3 | [am/are] [vb pp] [prep] what | 103 |
|
| 4 | [am/are] [vb pp] by [Wh det] | 35 |
|
| 5 | [am/are] [verb] by what | 30 |
|
| 6 | [am/are] [vb pp] by what | 29 |
|
