| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at half [prep] | 281 |
|
| 2 | [adv prt] at half | 97 |
|
| 3 | [adv prt] at [prep] | 49 |
|
| 4 | [adv prt] half [prep] | 29 |
|
