| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and it is [adv] | 1996 |
|
| 2 | and it is [adv] | 1458 |
|
| 3 | [conj] it is often | 213 |
|
| 4 | [coord] it is often | 87 |
|
| 5 | and [pron] is often | 78 |
|
| 6 | and it [be] often | 76 |
|
| 7 | and it be often | 76 |
|
| 8 | and it [is] often | 69 |
|
| 9 | and it is often | 61 |
|
| 10 | and it is often | 61 |
|
