SN4 ""

No	Pattern	Freq
1	which is [adv] [vb pp]	1485
2	what is [adv] [vb pp]	469
3	[Wh det] is now [vb pp]	161
4	[Wh det] is often [vb pp]	141
5	[Wh det] is then [vb pp]	113
6	[Wh det] is [adv] called	105
7	[Wh det] is also [vb pp]	104
8	[Wh det] is [adv] known	95
9	[Wh det] is usually [vb pp]	93
10	[Wh det] is [adv] used	83
11	[Wh det] is already [vb pp]	58
12	[Wh det] is normally [vb pp]	54
13	[Wh det] is commonly [vb pp]	51
14	[Wh det] is sometimes [vb pp]	49
15	[Wh det] is actually [vb pp]	48
16	[Wh det] is still [vb pp]	41
17	[Wh det] is generally [vb pp]	40
18	[Wh det] is well [vb pp]	40
19	[Wh det] is [adv] referred	36
20	[Wh det] is widely [vb pp]	34
21	[Wh det] is [adv] needed	33
22	[Wh det] is [adv] regarded	29
23	[Wh det] is [adv] seen	28
24	[Wh det] is [adv] found	27
25	[Wh det] is best [vb pp]	25
26	[Wh det] is currently [vb pp]	24
27	[Wh det] is [adv] associated	24
28	[Wh det] is [adv] required	24
29	[Wh det] is only [vb pp]	24
30	[Wh det] is [adv] described	24