| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] be about 20 | 13 |
|
| 2 | [noun pl] be about 20 | 7 |
|
| 3 | [noun] is about 20 | 6 |
|
| 4 | [noun] was about 20 | 5 |
|
