| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] for about [adj] | 456 |
|
| 2 | [noun] for about [num] | 430 |
|
| 3 | [noun] [prep] about 20 | 71 |
|
| 4 | [noun] [prep] about 20 | 71 |
|
| 5 | [noun] for [adv] 20 | 66 |
|
| 6 | [noun] for about 20 | 11 |
|
| 7 | [noun] for about 20 | 11 |
|
