| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] to [art] [no cls] | 29 |
|
| 2 | be [vb pp] to [art] [unc] | 28 |
|
| 3 | be [verb] to the [unc] | 20 |
|
| 4 | be [verb] to a [unc] | 7 |
|
| 5 | be upgrade to [art] [unc] | 5 |
|
| 6 | be upgraded to [art] [unc] | 5 |
|
