| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for half an hour [conj] [verb] | 6 |
|
| 2 | for half an [noun] [conj] [verb] | 6 |
|
| 3 | for half an hour [conj] [verb] | 6 |
|
| 4 | for half an [noun sg] [conj] [verb] | 6 |
|
| 5 | for half an [noun] [conj] [verb] | 6 |
|
| 6 | for half an [noun] and [verb] | 6 |
|
| 7 | for half an [noun] [coord] [verb] | 6 |
|
| 8 | for half an [noun] and [verb] | 6 |
|
