| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is often [verb] as | 22 |
|
| 2 | it is often [vb pp] as | 22 |
|
| 3 | it is often [verb] as | 22 |
|
| 4 | it is often known as | 6 |
|
| 5 | it is often know as | 6 |
|
