| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [am/are] about [num] [no cls] [no cls] | 8 |
|
| 2 | [am/are] about [num] per [no cls] | 8 |
|
| 3 | [am/are] about [num] [no cls] cent | 8 |
|
| 4 | are about [num] [no cls] [no cls] | 6 |
|
