SN4 ""

No	Pattern	Freq
1	[det] is [verb] for	122
2	[det] is [vb pp] for	104
3	this is [verb] for	59
4	that is [verb] for	36
5	[det] is required for	11
6	[det] is require for	11
7	[det] is [to-vb] for	8
8	[det] is needed for	8
9	[det] is account for	8
10	[det] is [v-ing] for	8
11	[det] is need for	8
12	[det] is used for	7
13	[det] is accounted for	7
14	[det] is use for	7
15	[det] is done for	7
16	[det] is do for	7
17	more is [verb] for	6
18	[det] is designed for	6
19	[det] is design for	6
20	[det] is know for	5
21	[det] is provided for	5
22	[det] is known for	5
23	[det] is provide for	5