to be considerate of sth
to be considerate of sth
considerate of sb.to do sth.
"to be sick of sth.
be afraid to do sth be afraid of doing sth
be glad__(for,to,about.of)sth.
辨析 be sure of 与be sure to do sth
be afeaid to do sth和be afraid of sth和be afraid of doing sth的
be confident of doing sth,那么be confident of to do sth是不是也可以?
be afaid of doing sth/be afraid that/be afraid to do sth.造句
be afraid of doing sth be busy doing sth be glad to do buy s
be sure to do sth be sure of sth be sure+that从句
make sure to do sth、be sure of sth、be sure that 、be certain