| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] [prep] recent years | 88 |
|
| 2 | have be [verb] [prep] recent years | 88 |
|
| 3 | have [been] [verb] [prep] recent years | 88 |
|
| 4 | have [be] [verb] in recent years | 83 |
|
| 5 | have [be] [vb pp] [prep] recent years | 80 |
|
| 6 | has [be] [verb] [prep] recent years | 49 |
|
| 7 | have [be] [verb] [prep] recent years | 35 |
|
| 8 | have [be] [v-ing] [prep] recent years | 8 |
|
| 9 | have [be] develop [prep] recent years | 5 |
|
| 10 | have [be] developed [prep] recent years | 5 |
|
| 11 | have [be] made [prep] recent years | 5 |
|
| 12 | have [be] [verb] over recent years | 5 |
|
| 13 | have [be] make [prep] recent years | 5 |
|
