| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | once [coord] [adv] [art] [noun sg] | 114 |
|
| 2 | once [conj] [adv] [art] [noun sg] | 114 |
|
| 3 | once or [adv] [art] [noun sg] | 113 |
|
| 4 | once or [adv] [art] [noun sg] | 113 |
|
| 5 | once [conj] twice [art] [noun sg] | 112 |
|
| 6 | once [conj] twice [art] [noun sg] | 112 |
|
| 7 | once [conj] [adv] a [noun sg] | 110 |
|
| 8 | once [conj] [adv] [art] week | 52 |
|
| 9 | once [conj] [adv] [art] year | 34 |
|
| 10 | once [conj] [adv] [art] month | 10 |
|
| 11 | once [conj] [adv] [art] day | 9 |
|
| 12 | once [conj] [adv] [art] term | 5 |
|
