| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] | 237912 |
|
| 2 | is [adv] | 164644 |
|
| 3 | [be] perhaps | 2489 |
|
| 4 | be perhaps | 2487 |
|
| 5 | [is] perhaps | 1487 |
|
| 6 | is perhaps | 1388 |
|
