| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be keep a close watch on | 8 |
|
| 2 | [be] keep a close watch on | 8 |
|
| 3 | [noun] keep a close watch on | 7 |
|
| 4 | [am/are] keep a close watch on | 6 |
|
| 5 | are keep a close watch on | 6 |
|
| 6 | [noun pl] keep a close watch on | 5 |
|
| 7 | keep a close watch on [art] | 11 |
|
| 8 | keep a close watch on [art] | 11 |
|
| 9 | keep a close watch on [pron] | 10 |
|
| 10 | keep a close watch on the | 10 |
|
| 11 | keep a close watch on the | 10 |
|
| 12 | keep a close watch on [noun] | 7 |
|
