SN4 ""

No	Pattern	Freq
1	who is [verb]	2315
2	[Wh pn] is [v-ing]	1242
3	[Wh pn] is [vb pp]	963
4	[Wh pn] is [to-vb]	162
5	[Wh pn] is go	110
6	[Wh pn] is going	108
7	[Wh pn] is say	61
8	[Wh pn] is do	42
9	[Wh pn] is trying	42
10	[Wh pn] is try	42
11	[Wh pn] is doing	39
12	[Wh pn] is work	38
13	[Wh pn] is working	38
14	whoever is [verb]	36
15	[Wh pn] is make	33
16	[Wh pn] is based	31
17	[Wh pn] is base	31
18	[Wh pn] is know	30
19	[Wh pn] is elect	30
20	[Wh pn] is elected	30
21	[Wh pn] is said	29
22	[Wh pn] is to say	29
23	[Wh pn] is speak	29
24	[Wh pn] is known	28
25	[Wh pn] is speaking	28
26	[Wh pn] is have	28
27	[Wh pn] is give	27
28	[Wh pn] is look	27
29	[Wh pn] is looking	25
30	[Wh pn] is having	24