English grammar learning tip:When learning grammar, don't memorize the formulas.For example, instead of memorizing the exact formula for the future perfect, create many examples using the future perfect. First, use the formula to create your first sentence.Then, practice it with other sentences that are important/relevant to your life.For exampleSubject + will have + past participle + complementExample:I will have become fluent by June 2015.Make many examples, then use it in many dif [...]