| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] [vb base] be [verb] to | 42 |
|
| 2 | who [vb base] [be] [verb] to | 40 |
|
| 3 | [Wh pn] [vb base] been [verb] to | 39 |
|
| 4 | [Wh pn] [vb base] [been] [verb] to | 39 |
|
| 5 | [Wh pn] have [be] [verb] to | 38 |
|
| 6 | [Wh pn] [vb base] [be] [vb pp] to | 33 |
|
| 7 | [Wh pn] [vb base] [be] [v-ing] to | 9 |
|
| 8 | [Wh pn] [vb base] [be] exposed to | 5 |
|
| 9 | [Wh pn] [vb base] [be] expose to | 5 |
|
