Задать 4 типа вопросов к предложению An increasing proportion on trade has been with other European Community member countries.

1. What has been on trade with other member countries? 2. An increasing proportion on trade has been with other European Community member countries, or Asian? 3, Has an increasing proportion on trade been with other European Community member countries, hasn't it? 4. Has an increasing proportion on trade been with other European Community member countries?