◎問題演習
1) The girl was heard ( ).
[ sang / sing / to be sing / to sing ]

2) I was made ( ) all day last Sunday.
[ work / to work / to working / be working ]

3) She was seen ( ) into the theater with her boyfriend.
[ go / going / gone / went ]

4) On her way home, Keiko was ( ) a stranger.
[ spoken at / spoken to by / spoken by / spoken with by ]

5) He was ( ) every body.
[ laughed at / laughed at by / laughed by / laughed ]

6) He always makes good decisions, so he is ( ) his friends.
[ looked up to / looking up to by / looked to up by / looked up to by ]

7) His name is known ( ) everyone in our town.
[ for / to / as / in ]

8) A man is known ( ) the company he keeps.
[ to / for / as / by ]

★（つけたし）「受動の意味を持つ」動詞
read [読める], sell [売れる], wash[洗える], be to blame[責められるべき]

9) At the grocery store he stops by every morning, business magazines ( ) well due to its location.
[ sell / sells / to sell / are to sell ]

(問題の回答)   1) to sing  2) to work  3) going  4) spoken to by  5) laughed at by  6) looked up to by  7) to  8) by  9) sell