| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [ex0] [is] [adv] a | 4204 |
|
| 2 | [ex0] [is] [adv] a | 3577 |
|
| 3 | [pron] [is] usually a | 175 |
|
| 4 | [ex0] [be] usually a | 125 |
|
| 5 | [ex0] [is] usually [art] | 121 |
|
| 6 | [ex0] [is] usually a | 104 |
|
