| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for about [num] [unc] [no cls] | 50 |
|
| 2 | for about [adj] per [no cls] | 50 |
|
| 3 | for about [adj] [no cls] [no cls] | 50 |
|
| 4 | for about [adj] per [no cls] | 50 |
|
| 5 | for about [adj] [unc] cent | 50 |
|
| 6 | for about 20 [unc] [no cls] | 8 |
|
| 7 | for about 20 [unc] [no cls] | 8 |
|
| 8 | for about 30 [unc] [no cls] | 5 |
|
| 9 | for about 30 [unc] [no cls] | 5 |
|
