| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and [vb past] to be replaced [prep] | 8 |
|
| 2 | and [vb past] to be replaced [prep] | 8 |
|
| 3 | and [vb past] to be replaced [prep] | 8 |
|
| 4 | and had to be replaced [prep] | 7 |
|
| 5 | and [vb past] to be replaced by | 5 |
|
