| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and [conj] a [noun sg] | 514 |
|
| 2 | and [subord] a [noun sg] | 304 |
|
| 3 | [conj] once a [noun sg] | 34 |
|
| 4 | and once [art] [noun sg] | 30 |
|
| 5 | and once [art] [noun sg] | 30 |
|
| 6 | [coord] once a [noun sg] | 18 |
|
| 7 | and once a [noun] | 10 |
|
| 8 | and once a [noun sg] | 9 |
|
| 9 | and once a [noun sg] | 9 |
|
| 10 | and once a [noun sg] | 9 |
|
