1. LOOK THE SENTENCE AND DISCOVER THE WRONG: It will certainly rain this evening.
A) THE ADVERB SHOULD BE AFTER THE MAIN VERB
B) THE ADVERB SHOULD BE BEFORE THE SUBJECT
C) THE ADVERB SHOULD BE AFTER THE COMPLEMENTS
D) THE SENTENCE IS CORRECT
Vejo que sua dúvida já foi respondida, caso precise de professor para aulas de conversação, entre no meu perfil. Abraço.