Fill in the Blanks ConditionalsOnline version Conditionals by Ailyn Chavez 1 present first zero Third future First facts differently Second situations impossible simple Zero present scientific regrets unlikely conditional 1 . conditional is used when we talk about or general truths . 2 . Both the condition and the result in zero conditional sentences are in tense . 3 . conditional is used when we talk about possible future events and their results 4 . In first conditional sentences we use simple and simple tenses . 5 . conditional is used when we talk about or to happen . 6 . is used to express about the past , to explain what we would have done . 7 . The sentence : " If I see John , I will tell him your new tomorrow " is an example of conditional . 8 . The sentence : " If I go on a boat , I always feel sick " is an example of conditiona l