| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] in [noun pl] | 401 |
|
| 2 | been [verb] in terms | 72 |
|
| 3 | been [v-ing] in [noun pl] | 32 |
|
| 4 | been [verb] in patients | 26 |
|
| 5 | been found in [noun pl] | 22 |
|
| 6 | been find in [noun pl] | 22 |
|
| 7 | been reported in [noun pl] | 17 |
|
| 8 | been report in [noun pl] | 17 |
|
| 9 | been described in [noun pl] | 16 |
|
| 10 | been describe in [noun pl] | 16 |
|
| 11 | been used in [noun pl] | 15 |
|
| 12 | been use in [noun pl] | 15 |
|
| 13 | been [verb] in studies | 14 |
|
| 14 | been see in [noun pl] | 14 |
|
| 15 | been seen in [noun pl] | 13 |
|
| 16 | been kill in [noun pl] | 12 |
|
| 17 | been killed in [noun pl] | 12 |
|
| 18 | been shown in [noun pl] | 10 |
|
| 19 | been show in [noun pl] | 10 |
|
| 20 | been make in [noun pl] | 10 |
|
| 21 | been made in [noun pl] | 10 |
|
| 22 | been do in [noun pl] | 8 |
|
| 23 | been observed in [noun pl] | 7 |
|
| 24 | been [verb] in animals | 7 |
|
| 25 | been done in [noun pl] | 7 |
|
| 26 | been observe in [noun pl] | 7 |
|
| 27 | been [verb] in areas | 7 |
|
| 28 | been [verb] in cases | 7 |
|
| 29 | been [verb] in circumstances | 6 |
|
| 30 | been engaged in [noun pl] | 6 |
|
