No | Pattern | Freq | Relations |
---|---|---|---|
1 | [vb base] not happen [to-vb] | 31 | |
2 | [vb base] [not/n't] happen [to-vb] | 31 | |
3 | do [adv] happen [to-vb] | 31 | |
4 | [vb base] n't happen [to-vb] | 28 | |
5 | [vb base] [adv] happen to know | 8 | |
6 | [vb base] [adv] happen to have | 6 |