| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] to [be] [adv] | 10281 |
|
| 2 | is [verb] to [be] | 4742 |
|
| 3 | is [verb] to [adv] | 223 |
|
| 4 | is [verb] [be] [adv] | 207 |
|
| 5 | is to [be] [adv] | 168 |
|
