| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] often [vb pp] to [be] | 50 |
|
| 2 | is often [vb pp] to [be] | 50 |
|
| 3 | [is] often [vb pp] to be | 50 |
|
| 4 | [is] often said to [be] | 11 |
|
| 5 | [is] often seen to [be] | 7 |
|
| 6 | [is] often considered to [be] | 7 |
|
| 7 | [is] often thought to [be] | 5 |
|
| 8 | [is] often taken to [be] | 5 |
|
