| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] whether [pron] has [be] | 6 |
|
| 2 | [v-ing] whether [pron] [vb -s] [be] | 6 |
|
| 3 | [v-ing] whether [pron] [vb -s] been | 6 |
|
| 4 | [v-ing] whether [pron] [vb -s] be | 6 |
|
| 5 | [v-ing] whether [pron] [vb -s] [been] | 6 |
|
