| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] thought [prep] | 54 |
|
| 2 | been thought [prep] | 54 |
|
| 3 | [been] thought of | 22 |
|
| 4 | [been] thought of | 22 |
|
| 5 | [been] thought to | 16 |
|
| 6 | [been] thought to | 16 |
|
