| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [vb pp] to have be | 369 |
|
| 2 | [vb pp] to have be [prep] | 75 |
|
| 3 | is [vb pp] be [prep] | 37 |
|
| 4 | is [vb pp] to have [prep] | 7 |
|
