| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [be] thought about | 7 |
|
| 2 | [prep] [be] thought about | 7 |
|
| 3 | to [be] thought about | 6 |
|
| 4 | to [be] thought about | 6 |
|
| 5 | [vb mod] [be] thought about | 6 |
|
| 6 | [modal v] [be] thought about | 6 |
|
