| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv] [prep] about half an | 7 |
|
| 2 | [verb] [adv prt] [prep] about half an | 5 |
|
| 3 | [verb] [prep] about half an hour | 14 |
|
| 4 | [verb] [prep] about half an [noun] | 14 |
|
| 5 | [verb] [prep] about half an [noun sg] | 14 |
|
| 6 | [verb] [prep] about half an hour | 14 |
|
