求：英语表示时间的词语!

英语的时间分为三类：
1.将来的时间：this morning,in half an hour,three days away,next year,the following day,on Sunday.
2.现在的时间：now.this morning,at present,this week,often,usually,sometimes.
3.过去的时间：three days ago,last year,this morning,.
4.过去的将来：the next week,the next day,in an hour.