| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | last night was [art] | 26 |
|
| 2 | last night was [art] | 26 |
|
| 3 | last night was a | 16 |
|
| 4 | last [noun] was an | 14 |
|
| 5 | [adj] night was an | 6 |
|
| 6 | last night [was/were] an | 5 |
|
| 7 | last night [be] an | 5 |
|
| 8 | last night be an | 5 |
|
