| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] is often | 240 |
|
| 2 | [det] [is] often | 219 |
|
| 3 | this [is] often | 175 |
|
| 4 | this [is] often | 175 |
|
| 5 | that [is] often | 31 |
|
| 6 | that [is] often | 31 |
|
| 7 | [adj] [is] often | 18 |
|
| 8 | [num] [is] often | 17 |
|
| 9 | [adj] 's often | 15 |
|
| 10 | latter [is] often | 6 |
|
| 11 | latter [is] often | 6 |
|
