| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [adv] [prep] | 1566 |
|
| 2 | [adv] [adv] [to-vb] [prep] | 601 |
|
| 3 | is [adv] [to-vb] [prep] | 334 |
|
| 4 | is [adv] [adv] [to-vb] | 214 |
|
| 5 | is [adv] [to-vb] [prep] | 146 |
|
