| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | about [n mass] [noun] | 168 |
|
| 2 | [was/were] about [noun] | 133 |
|
| 3 | [was/were] [n mass] [noun] | 111 |
|
| 4 | [was/were] about [n mass] | 92 |
|
