| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | about this [noun] [is] | 99 |
|
| 2 | about this [noun] is | 97 |
|
| 3 | about this [noun sg] [is] | 95 |
|
| 4 | about this book [is] | 5 |
|
| 5 | about this book [is] | 5 |
|
