A) I’m sure that someone forgot to lock the door yesterday. (Modal)
Someone …………………………………………………………………
B) “We decided to spend our holiday in Spain’’ they said. (Reported Speech)
They said that they....………………………………………………………
C) It is very hard to understand the instruction. They are written in the manual. (Relative Clause)
It…………………………………………………………………
Please convert those sentences as stated in parentheses.