| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [prep] the last century | 44 |
|
| 2 | [verb] [prep] the last century | 43 |
|
| 3 | [vb pp] [prep] the last century | 32 |
|
| 4 | [verb] in the last century | 24 |
|
| 5 | [verb] during the last century | 6 |
|
| 6 | [verb] over the last century | 5 |
|
| 7 | [v-ing] [prep] the last century | 5 |
|
