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