No | Pattern | Freq | Relations |
---|---|---|---|
1 | once [prep] [art] [noun sg] a | 12 | |
2 | once [prep] [art] [noun] a | 12 | |
3 | once [prep] [art] time [art] | 11 | |
4 | [adv] [prep] [art] time a | 10 | |
5 | [adv] [prep] [art] time a | 9 | |
6 | once [prep] [art] time a | 5 | |
7 | once [prep] [art] time a | 5 |