现在完成时的时间标志词

一现时：sometimes=at
times
,every+时间段，次数+时间段（once
a
week，twice
a
day），never，often，usually，always=all
the
time
现行时：be
+v.ing
一过时：was，
this
morning
，just
now肯句：yes否句：no
一问句：am，is，are
do
does
was
特疑：wh开头的（what
where
why
）how。
我是按顺序回答的，有得标志词普遍懒得打了。不会可接着问。这都是初一的只是吧？

标志词有 already, yet, so far, as yet, lately ,recently,these days/weeks/years, until now, up to now, since+ 时间点, for+时间段,always, in the last/past( few years)。
例句it is my first time I have been here.
现在完成时的构成是have 和has + v现在分词构成.

有：already yet so far since

现在完成时的构成是have 和has + v现在分词构成.
标志词一般有 already, yet, so far, as yet, lately ,recently,these days/weeks/years, until now, up to now, since+ 时间点, for+时间段,always, in the last/past( few years)