1
00:00:0,000 --> 00:00:2,000
This is the <b><i>first</i></b> sentence
 
2
00:00:2,000 --> 00:00:4,000 
This is the second sentence
 
3
00:00:4,000 --> 00:00:7,000
This is the third sentence
 
4
00:00:7,000 --> 00:00:10,000
This is the forth sentence