My best vacation is sumeer vacacion in 2011.

>>My best vacation was in summer  last 2011.
>> vacation

My family and I was go to island.

>>My family and I went to the island.

There was so butiful and hot.

>>It was so beautiful and hot.

So my best vacation is sumeer vacacion in 2011.

>> So my best vacation was in summer vacation last 2011.

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Please be careful of the spelling of the words.
Verb Tenses.