| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [vb pp] [adv] [adv] | 1405 |
|
| 2 | [is] [adv] [adv] [to-vb] | 552 |
|
| 3 | [vb pp] [adv] [adv] [to-vb] | 500 |
|
| 4 | [is] [vb pp] [adv] [to-vb] | 392 |
|
| 5 | [is] [vb pp] [adv] [to-vb] | 238 |
|
