| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [v-ing] [prep] | 8820 |
|
| 2 | is that [prep] | 900 |
|
| 3 | [v-ing] that [prep] | 665 |
|
| 4 | is [v-ing] that | 425 |
|
