Write the missing forms of the verbs 1)build 2) seen 3)forget shook read been 7)fly 8) brought bought 10)find met 12)wake (up) stolen 14)burn 15) led 16) become ! надо! всем заранее !

1) built, built
2)see, saw
3) forgot, forgotten
4)shake, shaken
5) read, read
6)be, was
7) flew, flown
8) bring, btought
9) buy, bought
10) found, found
11) meet, met
12) woke, woken
13) steal, stole
14) burnt, burnt
15) lead, led
16) became, become