| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | are often used | 100 |
|
| 2 | are also used | 73 |
|
| 3 | are widely used | 50 |
|
| 4 | are sometimes used | 45 |
|
| 5 | are now used | 32 |
|
| 6 | are commonly used | 30 |
|
| 7 | are frequently used | 29 |
|
| 8 | are still used | 26 |
|
| 9 | are rarely used | 21 |
|
| 10 | are then used | 21 |
|
| 11 | are normally used | 19 |
|
| 12 | are currently used | 17 |
|
| 13 | are generally used | 14 |
|
| 14 | are mainly used | 13 |
|
| 15 | are best used | 13 |
|
| 16 | are only used | 12 |
|
| 17 | are usually used | 11 |
|
| 18 | are always used | 9 |
|
| 19 | are regularly used | 8 |
|
| 20 | are never used | 6 |
|
| 21 | are mostly used | 6 |
|
| 22 | are little used | 5 |
|
| 23 | are already used | 5 |
|
