| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a half [noun] [prep] | 316 |
|
| 2 | a half [noun pl] [prep] | 266 |
|
| 3 | a half century [prep] | 11 |
|
| 4 | a [adj] centuries [prep] | 10 |
|
| 5 | a half centuries [prep] | 6 |
|
| 6 | [art] half centuries [prep] | 6 |
|
| 7 | [art] half centuries [prep] | 6 |
|
