| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [is] [conj] | 16533 |
|
| 2 | [noun sg] [is] [conj] | 14201 |
|
| 3 | trouble [be] [conj] | 250 |
|
| 4 | trouble [is] [conj] | 170 |
|
