| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] to be | 1041 |
|
| 2 | [pron] [adv] to be | 386 |
|
| 3 | is [pron] to be | 185 |
|
| 4 | is [pron] [adv] to | 30 |
|
| 5 | is [pron] [adv] be | 14 |
|
