| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [v-ing] [conj] [pron] [verb] | 154 |
|
| 2 | what [is] [v-ing] [conj] [pron] | 31 |
|
| 3 | what [is] [v-ing] [conj] [verb] | 14 |
|
| 4 | what [is] [v-ing] [pron] [verb] | 9 |
|
