| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] [adj] [noun pl] | 8380 |
|
| 2 | be [v-ing] [adj] [noun pl] | 3910 |
|
| 3 | be operating [adj] [noun] | 9 |
|
| 4 | be operate [adj] [noun pl] | 6 |
|
| 5 | [be] operating [adj] [noun pl] | 5 |
|
