| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [pron] | 14190 |
|
| 2 | [adv] when [pron] | 10101 |
|
| 3 | is [adv] when | 78 |
|
| 4 | is when [pron] | 11 |
|
