| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] to [be] [verb] | 5194 |
|
| 2 | is to [be] [verb] | 4686 |
|
| 3 | is [vb pp] to [be] | 3603 |
|
| 4 | is [vb pp] to [verb] | 246 |
|
| 5 | is [vb pp] [be] [verb] | 139 |
|
