an interrogative-negative form.

a negative form.

an interrogative form.

an inversion after a negative adverb.

to be afraid.

to be conscious.

to be worried.

to be used to.

As to gift giving, practices in Japan and China are entirely similar.

In China and in Japan, to give presents is something rather important.

If you are invited to a Japanese home, you'd better take a gift sometimes.

In China and in Japan, to give gifts used to be a way to provide a convenient excuse.

is yet to be seen.

haven't seen yet.

have already seen.

have seen a moment ago.

What we dreamt about computers in the past will be a reality in the future.

Gregory Dudek teaches computer science at the high school level.

The first computers were rather convenient.

Nowadays, computers are not as small as they used to be in the past.

it is easy to foresee precisely the year when robots will become smaller.

as computers are getting smaller, so are robots.

only in recent years has industry started using robots.

changes in computers will take place this evening.

future robots will no longer remind us of humans at all.

present robots look entirely like human beings.

in the future, robots won't be so much alike humans as they look today.

today, robots resemble the humans as they will in the future.

in years to come, robots are thought to do some of the domestic tasks.

researchers are sure that robots will do all the domestic chores.

robots will solely perform house cleaning.

robots will be fed by dirty insects.

robots will substitute for men as companions.

a robotic dog can do the same actions as an ordinary dog.

a robotic dog is an example of how future pets can be.

robotic dogs can answer back to human talking.

Pepe stands for mobile personal pet.

in due course of time, Pepe will replace peoples parents.

robotic pets can do some of the things you want them to do.

robotic pets need the same kind of care as ordinary dogs.