| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] question [be] [conj] | 151 |
|
| 2 | key [noun] [be] [conj] | 41 |
|
| 3 | key [noun sg] [be] [conj] | 40 |
|
| 4 | key question [be] [conj] | 8 |
|
