| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] that [pron] [be] [verb] | 390 |
|
| 2 | [be] that [pron] [be] [v-ing] | 311 |
|
| 3 | [is] [conj] [pron] [be] [v-ing] | 301 |
|
| 4 | [is] [that] [pron] [be] [v-ing] | 199 |
|
| 5 | [is] that [pron] [be] [v-ing] | 199 |
|
