| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [ex0] [is] a [adj] | 10294 |
|
| 2 | [is] often a [adj] | 157 |
|
| 3 | [ex0] [is] often a | 115 |
|
| 4 | [ex0] [is] often [adj] | 19 |
|
