SN4 ""

No	Pattern	Freq
1	[noun sg] is [adv] used	499
2	[noun sg] is also used	69
3	[noun sg] is also used	69
4	[noun sg] is often used	66
5	[noun sg] is often used	66
6	[noun sg] is [not/n't] used	54
7	[noun sg] is not used	54
8	[noun sg] is not used	49
9	[noun sg] is widely used	35
10	[noun sg] is widely used	35
11	[noun sg] is now used	27
12	[noun sg] is now used	27
13	[noun sg] is still used	23
14	[noun sg] is still used	23
15	[noun sg] is commonly used	22
16	[noun sg] is commonly used	22
17	[noun sg] is then used	21
18	[noun sg] is then used	21
19	[noun sg] is sometimes used	20
20	[noun sg] is sometimes used	20
21	[noun sg] is only used	19
22	[noun sg] is only used	19
23	system is [adv] used	16
24	term is [adv] used	15
25	[noun sg] is frequently used	15
26	[noun sg] is frequently used	15
27	[noun sg] is normally used	14
28	[noun sg] is normally used	14
29	[noun sg] is generally used	14
30	[noun sg] is generally used	14