SN4 ""

No	Pattern	Freq
1	[Wh det] is [adv] [adv]	1538
2	[Wh det] is [verb] [adv]	1348
3	[Wh det] is [adv] [adv]	1133
4	[Wh det] is [vb pp] [adv]	712
5	[Wh det] is [v-ing] [adv]	610
6	[Wh det] is [art] [adv]	408
7	[Wh det] is [art] [adv]	408
8	[Wh det] is going [adv]	397
9	[Wh det] is go [adv]	397
10	[Wh det] is [not/n't] [adv]	378
11	[Wh det] is not [adv]	378
12	[Wh det] is not [adv]	319
13	[Wh det] is [adj] [adv]	270
14	[Wh det] is [adj] [adv]	235
15	[Wh det] is a [adv]	231
16	[Wh det] is a [adv]	204
17	[Wh det] is the [adv]	170
18	[Wh det] is the [adv]	170
19	[Wh det] is [pron] [adv]	156
20	[Wh det] is [pers pn] [adv]	116
21	[Wh det] is it [adv]	98
22	[Wh det] is it [adv]	98
23	[Wh det] is [prep] [adv]	77
24	[Wh det] is [prep] [adv]	77
25	[Wh det] is now [adv]	69
26	[Wh det] is now [adv]	69
27	[Wh det] is happen [adv]	68
28	[Wh det] is happening [adv]	68
29	[Wh det] is just [adv]	64
30	[Wh det] is just [adv]	64