IV . Write the past form of the following veries:
1.read =....read........
2.begin=..began.........
3.watch=..watched........
4.see =........saw.......
5.buy=.......bought........
6.have=......had.......
7.speak=.....spoke........
8.hold=....held...........
9.do=......did.............
10.play=...played...........
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