| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be thought to be [v-ing] | 72 |
|
| 2 | be thought to be [vb pp] | 71 |
|
| 3 | is thought to be [verb] | 56 |
|
| 4 | are thought to be [verb] | 30 |
|
| 5 | was thought to be [verb] | 29 |
|
| 6 | were thought to be [verb] | 16 |
|
| 7 | be thought to be [verb] | 10 |
|
