| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [conj] | 28656 |
|
| 2 | is [subord] | 4237 |
|
| 3 | [be] whether | 1317 |
|
| 4 | be whether | 1317 |
|
| 5 | [is] whether | 970 |
|
| 6 | is whether | 945 |
|
