No | Pattern | Freq | Relations |
---|---|---|---|
1 | must have be responsible [prep] | 5 | |
2 | must have be responsible for | 5 | |
3 | must have be responsible [prep] | 5 | |
4 | must have be responsible [prep] | 5 | |
5 | must have be responsible for | 5 | |
6 | must have been responsible [prep] | 5 |