SN4 ""

No	Pattern	Freq
1	[prep] this is [that]	353
2	[prep] this is [that]	353
3	of this is [that]	143
4	of this is [that]	143
5	for this is [that]	119
6	for this is [that]	119
7	all this is [that]	28
8	[det] this is [that]	28
9	[adj] this is [that]	28
10	all this is [that]	28
11	with this is [that]	25
12	with this is [that]	25
13	[verb] this is [that]	20
14	to this is [that]	19
15	to this is [that]	19
16	about this is [that]	18
17	about this is [that]	18
18	from this is [that]	12
19	from this is [that]	12
20	[v-ing] this is [that]	9
21	put this is [that]	7
22	[to-vb] this is [that]	6
23	putting this is [that]	6
24	like this is [that]	5
25	like this is [that]	5
26	this [noun] is [that]	602
27	this [noun sg] is [that]	601
28	this [verb] is [that]	45
29	this [vb -s] is [that]	45
30	this approach is [that]	43