| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [conj] | 28656 |
|
| 2 | is [subord] | 4237 |
|
| 3 | be while | 136 |
|
| 4 | [be] while | 136 |
|
| 5 | [is] while | 22 |
|
| 6 | is while | 13 |
|
