| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [conj] [ex0] [is] | 4132 |
|
| 2 | [v-ing] [conj] [pron] [is] | 1137 |
|
| 3 | [v-ing] [conj] [ex0] [be] | 707 |
|
