| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is that [pers pn] | 6721 |
|
| 2 | is that [prep] | 900 |
|
| 3 | is [pers pn] [prep] | 894 |
|
| 4 | that [pers pn] [prep] | 248 |
|
