| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | are preparing for | 38 |
|
| 2 | is preparing for | 35 |
|
| 3 | was preparing for | 31 |
|
| 4 | were preparing for | 23 |
|
| 5 | been preparing for | 16 |
|
| 6 | 're preparing for | 5 |
|
