B. tells/won't have
Feedback We use the first conditional to talk about the results of a POSSIBLE future condition, one we think is likely to happen. Conditional sentences usually have two parts.There is 'the if clause' (sometimes called the conditional clause) and 'the result clause' (sometimes called 'the main clause'). The clauses can come in any order. The formula for first conditionals:If clause: if/when + present simpleResult clause: will / 'll + infinitive without to / imperative