| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [v-ing] [art] [noun sg] | 42043 |
|
| 2 | [prep] whether [art] [noun sg] | 843 |
|
| 3 | [v-ing] whether [art] [noun sg] | 240 |
|
| 4 | [prep] [v-ing] whether [art] | 213 |
|
| 5 | [prep] [v-ing] whether [noun sg] | 29 |
|
