| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] of about 20 | 42 |
|
| 2 | [noun sg] of about 20 | 33 |
|
| 3 | [noun pl] of about 20 | 6 |
|
| 4 | group of about 20 | 5 |
|
| 5 | group of about 20 | 5 |
|
| 6 | of about 20 [noun] | 25 |
|
| 7 | of about 20 [noun pl] | 19 |
|
| 8 | of about 20 [no cls] | 6 |
|
| 9 | of about 20 [unc] | 6 |
|
| 10 | of about 20 [adj] | 6 |
|
| 11 | of about 20 per | 5 |
|
| 12 | of about 20 per | 5 |
|
