| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] is that | 234 |
|
| 2 | be [v-ing] is a | 74 |
|
| 3 | be [v-ing] that a | 63 |
|
| 4 | [v-ing] is that a | 11 |
|
