SN4 ""

No	Pattern	Freq
1	[Wh det] it is for [art]	13
2	[Wh det] it is for [art]	13
3	[Wh det] [pron] is for [art]	13
4	[Wh det] [pers pn] is for [art]	13
5	[Wh det] is [adj] for [art]	163
6	[Wh det] is [adj] for [art]	143
7	[Wh det] is [verb] for [art]	58
8	[Wh det] is [vb pp] for [art]	46
9	[Wh det] is good for [art]	29
10	[Wh det] is responsible for [art]	28
11	[Wh det] is responsible for [art]	28
12	[Wh det] is [adj -est] for [art]	19
13	[Wh det] is best for [art]	19
14	[Wh det] is necessary for [art]	15
15	[Wh det] is appropriate for [art]	15
16	[Wh det] is appropriate for [art]	15
17	[Wh det] is necessary for [art]	15
18	[Wh det] is good for [art]	10
19	[Wh det] is elected for [art]	8
20	[Wh det] is elect for [art]	8
21	[Wh det] is essential for [art]	8
22	[Wh det] is essential for [art]	8
23	[Wh det] is [v-ing] for [art]	8
24	[Wh det] is [adv] for [art]	7
25	[Wh det] is required for [art]	6
26	[Wh det] is suitable for [art]	6
27	[Wh det] is require for [art]	6
28	[Wh det] is suitable for [art]	6
29	[Wh det] is [adv] for [art]	5
30	[Wh det] is used for [art]	5