The blue words need to be change to make sense
First sentence
1.Mumtaz’
2. Mumtaz’es
3. Mumtaz’s
4. Mumtazes
Second
1.will cost
2.had cost
3.has cost
4.costing
Third
1.palaces’s
2.palaces
3. palaces’
4. palace’s
Fourth
1.Covers
2. Are covering
3. Were covering
4.cover
Last one
1.Mumtaz: the Tan Mahal
2. Mumtaz the Tan Mahal
3. Mumtaz, the Tan Mahal
4. Mumtaz; the Tan Mahal