| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adj] a [noun sg] [adv] | 149 |
|
| 2 | [prep] half [art] [noun sg] [adv] | 51 |
|
| 3 | [prep] half [art] [noun sg] [adv] | 51 |
|
| 4 | [prep] half a [noun sg] [adv] | 43 |
|
| 5 | [prep] half a [noun] [adv] | 21 |
|
