| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [prep] [art] [noun sg] | 209981 |
|
| 2 | [prep] whether [art] [noun sg] | 843 |
|
| 3 | [vb pp] whether [art] [noun sg] | 97 |
|
| 4 | [vb pp] [prep] whether [art] | 53 |
|
