现在完成时的频率副词有哪些?
问题描述:
现在完成时的频率副词有哪些?
答
already;yet
just;before
ever;never
how long;for;since(for+段时间;since+点时间/一般过去时句子)
次数 (e.g. once;many times等等)
recently;lately
到目前为止(e.g. so far;up to now;up till noe;since then)
over/in/during the past/last time+段时间
by+现在时间(e.g. by now;by 2010)
句意 *有影响
(e.g. Have you found your watth?找到了吗,找到就好,没找到我帮你)
答
1.频率副词是表示与次数,频率有关的副词,如:always(总是),usually(经常),sometimes(有时),seldom(不常),once(一次),twice(两次),rarely(极少),frequently(经常)等.2.频率副词用在be动词后.It is usually hot in ...