| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [prep] be put off [prep] | 6 |
|
| 2 | not [prep] be put off [prep] | 6 |
|
| 3 | not to be put off [prep] | 6 |
|
| 4 | not to be put off [prep] | 6 |
|
