| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [prep] [pron] to do | 10 |
|
| 2 | is [prep] [pers pn] to do | 10 |
|
| 3 | is for [pron] to do | 9 |
|
| 4 | is for [pron] to do | 9 |
|
