记得
remember to do
记得去做
remember doing
记得做过
想起
remind sb of sth
使某人想起.
remind sb to do
提醒某人去做
忘记
forget to do
忘记去做
forget doing
忘记做过
不允许
don't allow (多用被动语态)
如:
Teenagers are not allowed to drive.
独自
alone 仅表示”独自“
lonely 表示孤独
常考法:
The old man lives alone in the house but he doesn't feel lonely.
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