| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [conj] [was/were] once a | 6 |
|
| 2 | [noun sg] [conj] be once a | 6 |
|
| 3 | [noun sg] that [be] once a | 5 |
|
| 4 | [noun sg] [that] [be] once a | 5 |
|
| 5 | [noun sg] [conj] [be] once a | 5 |
|
| 6 | [noun sg] that [be] once a | 5 |
|
| 7 | [noun sg] [conj] was once a | 5 |
|
