| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [is] [verb] | 7897 |
|
| 2 | [conj] [is] [v-ing] | 1995 |
|
| 3 | [conj] [be] worrying | 11 |
|
| 4 | [conj] [is] worry | 7 |
|
