P(gun)ڳгӢZrB(ti)ZY(ji)
÷ ^l(f)F(xin)Ӱ--- ʾ^ȥl(f)F(xin)Ӱ푡
e.g. Their parents have known the good news.They look excited.
^l(f)m(x)--- ʾ^ȥ_ʼm(x)F(xin)ڵ'B(ti)
e.g. I have learned English for 10 years.
(jng)v --- ʾ(jng)^ij£^n
e.g. I have seen the film Titannic twice.
rgZ already, just, yet, since, since then, for, recently / lately,
so far = till / until now = up to now, in the last / past few years,
How longever, never, before, once, times
yc m(x)cm(x)Ԅ~÷
ʲôrűm(x)Ԅ~ F(xin)how long, for+rg, since+rgc
m(x)Ԅ~D(zhun)
lc
borrow keep buy have
finish / end be over begin / start be on
open be open die be dead
join be in / be amember leave be awayfrom
˽ӛ
get up be up fall asleep be asleep
fall ill be ill, lose be lost
become be return / come back / get back be back
close be closed catch / get a cold have a cold
arrive /come / go / move / reach /get to be in /at / be here /be there
ec in the past few years ( a few)
have been to, have gone tohave been iną^(q)e
alreadycyet^(q)e
since+rgcfor+rgΣsince 3 years ago; for 3 years
since (do)ďľҪһ^ȥr
It is /has been + rg + since + ľ䣨һ^ȥr
He came to our school in 2000, since then he has taught English here.
P(gun)ڳгӢZrB(ti)ZY(ji)P(gun)£