| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] about a [noun sg] [prep] | 31 |
|
| 2 | [prep] about a [noun sg] of | 20 |
|
| 3 | for about a [noun sg] [prep] | 15 |
|
| 4 | [prep] about a month [prep] | 7 |
|
| 5 | [prep] about a couple [prep] | 6 |
|
