No | Pattern | Freq | Relations |
---|---|---|---|
1 | [prep] [noun sg] once [art] | 28 | |
2 | [prep] [noun sg] once a | 23 | |
3 | [prep] [noun sg] once a | 22 | |
4 | on [noun sg] once [art] | 7 | |
5 | of [noun sg] once [art] | 7 | |
6 | for [noun sg] once [art] | 6 | |
7 | [prep] average once [art] | 5 |