| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] once a [noun sg] [pron] | 11 |
|
| 2 | [coord] once a [noun sg] [pron] | 10 |
|
| 3 | [adv] once a [noun sg] [pron] | 10 |
|
| 4 | and once a [noun sg] [pron] | 10 |
|
| 5 | and once a [noun sg] [pron] | 10 |
|
| 6 | [adv] once a [noun sg] [pron] | 9 |
|
| 7 | least once a [noun sg] [pron] | 6 |
|
| 8 | least once a [noun sg] [pron] | 6 |
|
| 9 | once [prep] a [noun sg] [pron] | 64 |
|
| 10 | once [prep] a [noun sg] [pron] | 64 |
|
| 11 | once upon a [noun sg] [pron] | 35 |
|
| 12 | once upon a [noun sg] [pron] | 35 |
|
| 13 | once in a [noun sg] [pron] | 23 |
|
| 14 | once in a [noun sg] [pron] | 23 |
|
| 15 | once [verb] a [noun sg] [pron] | 17 |
|
| 16 | once [vb past] a [noun sg] [pron] | 13 |
|
| 17 | once have a [noun sg] [pron] | 6 |
|
| 18 | once had a [noun sg] [pron] | 5 |
|
| 19 | once a [noun sg] [conj] [pron] | 36 |
|
| 20 | once a [noun sg] [coord] [pron] | 25 |
|
| 21 | once a [noun sg] [prep] [pron] | 16 |
|
| 22 | once a [noun sg] [prep] [pron] | 16 |
|
| 23 | once a [noun sg] and [pron] | 14 |
|
| 24 | once a [noun sg] and [pron] | 14 |
|
| 25 | once a [noun sg] [verb] [pron] | 13 |
|
| 26 | once a [noun sg] [subord] [pron] | 11 |
|
| 27 | once a [noun sg] or [pron] | 6 |
|
| 28 | once a [noun sg] or [pron] | 6 |
|
| 29 | once a [noun sg] but [pron] | 5 |
|
| 30 | once a [noun sg] [to-vb] [pron] | 5 |
|
