| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [adv] [prep] the first half | 13 |
|
| 2 | [vb past] [adv] [prep] the first half | 11 |
|
| 3 | [vb past] [adv] in the first half | 6 |
|
| 4 | [vb past] [adv] during the first half | 5 |
|
