| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] be at the root | 8 |
|
| 2 | [prep] [be] at the root | 8 |
|
| 3 | to [be] at the root | 8 |
|
| 4 | to [be] at the root | 8 |
|
| 5 | [prep] be at the root | 8 |
|
| 6 | [prep] [be] at the root | 8 |
|
