Future Perfect Continuous Keywords

Future Perfect Continuous Keywords
Past
Simple
Yesterday, ago, 2 weeks ago, last week, a long
time ago
Continuous
While, when, at 5 o’clock yesterday
Perfect
by the time, before,  after,  when (in the
meanings 'by the time; after'), before last
week,  by two o'clock yesterday.
Perfect Continuous
for, since, how long, before, after
Future
Simple
Tomorrow, next week, soon
Continuous
At 3 tomorrow, at this time tomorrow
Perfect
By the end of this year, by this time tomorrow,
in two years time, in July next year, in another
five months
Perfect Continuous
for, by the time
Present
Simple
Every day, usually, always, sometimes, rarely
Continuous
Now, at the moment, currently, this month, this
year, tomorrow
Perfect
Just, already, yet, ever, never, once, twice,
several times, always, by now, up to now; so
far, before, for an hour, for a week, for a long
time, for five years, for years, in years, since,
lately, recently
Perfect Continuous
for an hour, for a week, for a long time, for five
years, for years,  in years,  all day, all morning,
since, how long
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