Помогите пожалуйста! Употребите правильно вспомогательный глагол в следующих предложениях. 1.How much time.....he.... reading this book? 2. Where..... they going today? 3. I.... doing my homework now. 4. We....... studying here since September.
1. How much time has he been reading this book?
2. Where are they going today?
3. I am doing my homework now.
4. We have been studying here since September.