1.没有意识到危险的存在,他朝森林深处走去。
_N_o_t__h_a_v_i_n_g__r_e_a_l_iz_e_d__/_N__o_t_r_e_a_l_i_z_in_g__(realize)
the danger, he went deep into the forest.
2.没有为此受到责备,他暗自高兴。
(If) Heated to a high temperature, water will change into vapor.
3. 让步状语
Though they had been warned of the storm, the farmers were still working in the fields.
Greatly touched by the teacher’s words, he did a lot of things to help his classmates.
Because he was surprised at what happened, Tom didn’t know what to do.
If we were given more time, we could do it much better.
(If) Given more time, we could do it much better.
If it is heated to a high temperature, water will change into vapor.
时间状语可在过去分词前加上连词when, while, until等。 When it is seen from the hill, the park looks very beautiful. (When) Seen from the hill,the park looks very beautiful.