| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] used [prep] | 641 |
|
| 2 | is [adv] used in | 202 |
|
| 3 | is [adv] used in | 202 |
|
| 4 | is [adv] used as | 146 |
|
| 5 | is [adv] used as | 146 |
|
| 6 | is [adv] used for | 134 |
|
| 7 | is [adv] used for | 134 |
|
| 8 | is [adv] used by | 97 |
|
| 9 | is [adv] used by | 97 |
|
| 10 | is also used [prep] | 86 |
|
| 11 | is often used [prep] | 83 |
|
| 12 | is widely used [prep] | 65 |
|
| 13 | is now used [prep] | 46 |
|
| 14 | is still used [prep] | 40 |
|
| 15 | is sometimes used [prep] | 26 |
|
| 16 | is only used [prep] | 22 |
|
| 17 | is frequently used [prep] | 21 |
|
| 18 | is commonly used [prep] | 21 |
|
| 19 | is then used [prep] | 17 |
|
| 20 | is generally used [prep] | 16 |
|
| 21 | is normally used [prep] | 16 |
|
| 22 | is usually used [prep] | 15 |
|
| 23 | is best used [prep] | 12 |
|
| 24 | is [adv] used with | 12 |
|
| 25 | is [adv] used with | 12 |
|
| 26 | is [adv] used on | 11 |
|
| 27 | is much used [prep] | 11 |
|
| 28 | is [adv] used on | 11 |
|
| 29 | is currently used [prep] | 10 |
|
| 30 | is mainly used [prep] | 10 |
|
