| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is that [subord] [pron] | 514 |
|
| 2 | is that [conj] [pron] | 514 |
|
| 3 | [be] that once [pron] | 27 |
|
| 4 | be that once [pron] | 27 |
|
| 5 | is [conj] once [pron] | 26 |
|
| 6 | [is] that once [pron] | 24 |
|
| 7 | is that once [pron] | 24 |
|
