| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] is a [noun sg] about | 32 |
|
| 2 | this is a [noun sg] about | 31 |
|
| 3 | this is a [noun sg] about | 31 |
|
| 4 | [adj] is a book about | 5 |
|
