| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | once the [noun sg] | 447 |
|
| 2 | once the [noun pl] | 82 |
|
| 3 | once the [noun prp] | 29 |
|
| 4 | once the home | 16 |
|
| 5 | once the home | 15 |
|
| 6 | once the child | 8 |
|
| 7 | once the war | 6 |
|
| 8 | once the case | 6 |
|
| 9 | once the case | 6 |
|
| 10 | once the war | 6 |
|
| 11 | once the site | 5 |
|
| 12 | once the world | 5 |
|
| 13 | once the government | 5 |
|
| 14 | once the government | 5 |
|
| 15 | once the sun | 5 |
|
| 16 | once the world | 5 |
|
| 17 | once the sun | 5 |
|
| 18 | once the [n mass] | 5 |
|
| 19 | once the site | 5 |
|
