SN4 ""

No	Pattern	Freq
1	[Wh det] is [vb pp] [prep] the	1435
2	which is [verb] [prep] the	1127
3	what is [verb] [prep] the	503
4	[Wh det] is [verb] by the	413
5	[Wh det] is [verb] in the	327
6	[Wh det] is [v-ing] [prep] the	185
7	[Wh det] is [verb] to the	176
8	[Wh det] is [verb] on the	142
9	[Wh det] is happen [prep] the	130
10	[Wh det] is happening [prep] the	125
11	[Wh det] is [verb] as the	124
12	[Wh det] is know [prep] the	102
13	[Wh det] is known [prep] the	102
14	[Wh det] is [verb] at the	65
15	[Wh det] is [verb] with the	59
16	[Wh det] is mean [prep] the	55
17	[Wh det] is meant [prep] the	55
18	[Wh det] is [verb] of the	54
19	[Wh det] is [verb] from the	52
20	[Wh det] is base [prep] the	51
21	[Wh det] is based [prep] the	51
22	[Wh det] is [verb] for the	33
23	[Wh det] is leave [prep] the	31
24	[Wh det] is left [prep] the	31
25	[Wh det] is [verb] into the	29
26	[Wh det] is [to-vb] [prep] the	26
27	[Wh det] is [verb] about the	25
28	[Wh det] is include [prep] the	22
29	[Wh det] is included [prep] the	22
30	[Wh det] is required [prep] the	21