SN4 ""

No	Pattern	Freq
1	[Wh adv] do that	298
2	how [verb] that	239
3	[Wh adv] [vb -s] that	171
4	[Wh adv] does that	159
5	[Wh adv] [to-vb] that	111
6	[Wh adv] [vb past] that	103
7	[Wh adv] did that	90
8	where [verb] that	88
9	why [verb] that	43
10	[Wh adv] to do that	41
11	when [verb] that	27
12	[Wh adv] have that	23
13	[Wh adv] had that	11
14	[Wh adv] has that	10
15	[Wh adv] [vb base] that	10
16	[Wh adv] to use that	10
17	[Wh adv] use that	10
18	[Wh adv] do that	8
19	[Wh adv] to get that	8
20	[Wh adv] get that	8