谁能帮我把下面的句子转换下?改成倒装句.
1.youwillseemanyseats(only)atastadiuminbeijing.2Ihave(seldom)seenasituationwhichmademesoangry3.you'llbeabletowriteagoodreprot(onlyafter)youhaveacquiredtheinformationyouneed.4.hegavealotofpresentstohisfriends,buthehas(never)givenonetome.
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