| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] it is often [vb pp] | 39 |
|
| 2 | [coord] it is often [vb pp] | 27 |
|
| 3 | as it is often [vb pp] | 21 |
|
| 4 | as it is often [vb pp] | 21 |
|
| 5 | and it is often [vb pp] | 17 |
|
| 6 | and it is often [vb pp] | 17 |
|
| 7 | but it is often [vb pp] | 10 |
|
| 8 | but it is often [vb pp] | 10 |
|
| 9 | [that] it is often [vb pp] | 9 |
|
| 10 | that it is often [vb pp] | 9 |
|
| 11 | that it is often [vb pp] | 9 |
|
| 12 | although it is often [vb pp] | 7 |
|
| 13 | [conj] it is often called | 7 |
|
| 14 | although it is often [vb pp] | 7 |
|
| 15 | [conj] it is often used | 7 |
|
