答案解析

查看更多优质解析解答一举报★一般现在时:often,

usually,

always,

sometimes,

never,

seldom,

every week/day/year/month.

.

.

,

once a week,

on Sundays★一般过去时：ago,

yesterday,

the day before yesterday,

last week/year/night/month.

.

.

,

in 1989,

just now,

at the age of five,

one day,

ago,

long ago,

once upon a time,

then(那时),

on that day,

★现在进行时：now,

at this time,

these days,

Listen!Look!at this moment/time★过去进行时：at this time yesterday,

at that time或\"when + 一般过去时从句\",

at 1:00 last night ★现在完成时：recently,

recent years,

these days/years,

lately,

since,

for + 时段,

in the past few years,

ever since,

in the last five months,

up to now,

since then,

so far,

ever,

never,

yet,

lately,

once,

twice,

three/four times.

.

.

,

already,

before,

just.

★过去完成时：before,

by the end of last year/term/month.

.

.

★一般将来时：tomorrow,

next day/week/month/year.

.

.

,

soon,

in a few minutes,

by.

.

.

,

the day after tomorrow,

in the future★过去将来时：the next day/morning/year.

.

.

,

the following month/week.

.

.

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