| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to [be] answer [is] | 9 |
|
| 2 | [prep] [be] answer [is] | 9 |
|
| 3 | to [be] answer [is] | 9 |
|
| 4 | [prep] [be] answer [is] | 9 |
|
