No | Pattern | Freq | Relations |
---|---|---|---|
1 | required or [adv] [verb] for | 6 | |
2 | require or [adv] required for | 6 | |
3 | require or [adv] require for | 6 | |
4 | require or alternatively [verb] for | 6 | |
5 | require or [adv] [verb] for | 6 | |
6 | require or [adv] [vb pp] for | 6 |