SN4 ""

No	Pattern	Freq
1	is [adv] the [noun sg]	5855
2	is [adv] the [noun]	3622
3	is [not/n't] the [noun]	1930
4	is not the [noun]	1929
5	is not the [noun]	1641
6	is [adv] the case	924
7	is [adv] the case	924
8	is [Wh adv] the [noun]	759
9	is also the [noun]	622
10	is also the [noun]	622
11	is where the [noun]	327
12	is where the [noun]	327
13	is n't the [noun]	288
14	is now the [noun]	267
15	is now the [noun]	267
16	is [adv] the [noun pl]	261
17	is why the [noun]	205
18	is why the [noun]	205
19	is often the [noun]	204
20	is often the [noun]	204
21	is still the [noun]	187
22	is still the [noun]	187
23	is just the [noun]	174
24	is just the [noun]	174
25	is only the [noun]	172
26	is only the [noun]	172
27	is [adv] the [noun prp]	156
28	is always the [noun]	155
29	is always the [noun]	155
30	is how the [noun]	128