| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] [prep] the last century | 16 |
|
| 2 | be [verb] [prep] the last century | 16 |
|
| 3 | [be] [vb pp] [prep] the last century | 15 |
|
| 4 | [be] [verb] [prep] the last century | 15 |
|
| 5 | [be] [verb] in the last century | 9 |
|
| 6 | [was/were] [verb] [prep] the last century | 8 |
|
| 7 | been [verb] [prep] the last century | 7 |
|
| 8 | [been] [verb] [prep] the last century | 7 |
|
