They should read English books carefully at home every month
*When should they read English books carefully at home?
Simple Past:
They read English books carefully at home last week
*How did they read English books at home last week
Future with going to:
They are going to read English books carefullt at home tomorrow
*Where are they going to read English books carefully tomorrow?
Present Tense:
They read English books carefully at home today
*What do they read carefully at home today?
*Which books do they read?
Present Perfect:
They have read Ennglish books carefully at home since April
*How long have they read English books carefully home?