| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is often [vb pp] | 362 |
|
| 2 | it is often said | 63 |
|
| 3 | it is often assumed | 27 |
|
| 4 | it is often argued | 22 |
|
| 5 | it is often used | 17 |
|
| 6 | it is often called | 16 |
|
| 7 | it is often claimed | 13 |
|
| 8 | it is often forgotten | 10 |
|
| 9 | it is often suggested | 10 |
|
| 10 | it is often seen | 9 |
|
| 11 | it is often found | 9 |
|
| 12 | it is often thought | 7 |
|
| 13 | it is often referred | 7 |
|
| 14 | it is often known | 6 |
|
| 15 | it is often described | 6 |
|
| 16 | it is often pointed | 6 |
|
