| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | approach be to be | 20 |
|
| 2 | approach [is] to be | 14 |
|
| 3 | approach is to be | 14 |
|
| 4 | approach [was/were] to be | 6 |
|
| 5 | approach was to be | 5 |
|
