| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is often [vb pp] to | 171 |
|
| 2 | [is] often referred to | 50 |
|
| 3 | [is] often said to | 11 |
|
| 4 | [is] often related to | 9 |
|
| 5 | [is] often seen to | 7 |
|
| 6 | [is] often considered to | 7 |
|
| 7 | [is] often attributed to | 6 |
|
| 8 | [is] often taken to | 5 |
|
| 9 | [is] often thought to | 5 |
|
