| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] has been | 2767 |
|
| 2 | years has [been] | 195 |
|
| 3 | areas has [been] | 27 |
|
| 4 | countries has [been] | 26 |
|
| 5 | children has [been] | 23 |
|
| 6 | systems has [been] | 21 |
|
| 7 | services has [been] | 19 |
|
| 8 | months has [been] | 17 |
|
| 9 | products has [been] | 17 |
|
| 10 | studies has [been] | 17 |
|
| 11 | groups has [been] | 15 |
|
| 12 | families has [been] | 15 |
|
| 13 | women has [been] | 14 |
|
| 14 | decades has [been] | 14 |
|
| 15 | pounds has [been] | 14 |
|
| 16 | schools has [been] | 13 |
|
| 17 | workers has [been] | 12 |
|
| 18 | cells has [been] | 12 |
|
| 19 | authorities has [been] | 12 |
|
| 20 | developments has [been] | 11 |
|
| 21 | students has [been] | 11 |
|
| 22 | programmes has [been] | 11 |
|
| 23 | changes has [been] | 11 |
|
| 24 | weeks has [been] | 11 |
|
| 25 | relations has [been] | 10 |
|
| 26 | materials has [been] | 10 |
|
| 27 | events has [been] | 10 |
|
| 28 | projects has [been] | 10 |
|
| 29 | industries has [been] | 10 |
|
| 30 | companies has [been] | 9 |
|
