| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] to be | 6374 |
|
| 2 | [is] to be | 6105 |
|
| 3 | [is] [adv] be | 1320 |
|
| 4 | [is] [adv] to | 893 |
|
