| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [been] developed in recent [noun] | 5 |
|
| 2 | [verb] been developed [prep] recent [noun] | 5 |
|
| 3 | [verb] [been] developed in recent [noun] | 5 |
|
| 4 | [verb] [been] developed [prep] recent year | 5 |
|
| 5 | [verb] [been] developed [prep] recent [noun] | 5 |
|
| 6 | [verb] [been] developed [prep] recent [noun] | 5 |
|
| 7 | have [been] developed [prep] recent [noun] | 5 |
|
| 8 | [verb] [been] developed [prep] recent [noun pl] | 5 |
|
| 9 | [verb] [been] developed [prep] recent years | 5 |
|
