1.She
 seemed (to have recognized) me. 2.He is sure(to have left) the key under the 
door-mat. 3.At the time I happened(to be working) at my first novel. 4.You 
won't miss the train if you start right away. 5.Everything is 
bound ( to get) right between you. 6.She lost her head and seemed (to 
have forgotten) the little English she knew. 7. A young woman is supposed(to 
have written) this book. 8.He is not likely(to forget) it. 9.He is believed(to 
have been taught) by his father. 10.I happened(to have given) all the details by mom. 
11.She is expected(to be operated) on today. 12.He is sure(to be working) in the 
garage.