| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] to [be] alert to | 11 |
|
| 2 | need to [be] alert to | 9 |
|
| 3 | [vb base] to [be] alert to | 9 |
|
| 4 | need to [be] alert to | 8 |
|
| 5 | to [be] alert to [art] | 8 |
|
| 6 | to [be] alert to the | 8 |
|
| 7 | to [be] alert to the | 8 |
|
| 8 | to [be] alert to [art] | 8 |
|
| 9 | to [be] alert to [adj] | 5 |
|
