I have had this book since ..Monday...... .
2.I have had this book for ..1 .year...... .
3.I have a schoolbag. I bought it ..2 years ....... ago.
4.I have had this schoolbag for ....several weeks.... .
5.I have been studying English for ..2 months...... .
6.I have been studying English since 2015
7.Has Tom been studying for .long........ time ?
8.How ....long..... has Anna been sleeping ?