A noun;

An adjective;

An adverb;

A verb;

None of the answers.

The progressive form is not normally used with punctual verbs such as start, stop, finish, which refer to actions that are completed at a single point in time;

The progressive form is often used for events which started in the past and are still continuing, or which have stopped, but whose effects are still continuing;

The difference between the present perfect simple and the present perfect progressive may sometimes be between an emphasis on the event itself as a progressive, extended activity (progressive form), compared with the results of the event, or some other, secondary reference to the event (simple form);

Both forms may refer to completed events;

The progressive form of the present perfect can emphasise completion of an event when used with verbs denoting actions or events.

It refers to a time-frame leading up to the moment of speaking, so the past perfect refers to a time-frame leading up to a point in the past;

It refers to a time-frame that is in some way separated from the present; there is a break between the completion of the event and the present moment;

It suggests that the events may be seen more as background or of secondary importance;

It is often used for events which started in the past and are still continuing, or which have stopped, but whose effects are still continuing;

None of the answers.

I don’t think the internet will ever completely replace books;

I don’t think the internet will ever completely replace the books;

Life has its moments of frustration for all of us;

Yeah. That’s what I’ve used on the furniture I’vemade, you know, the TV table and stuff;

If you’re going to paint the wall, we’ll have to move the furniture.

required.

identified.

promoted.

helped.

reached.

noun.

conjunction.

adverb.

verb.

determiner.

predicativo do sujeito.

objeto direto.

complemento nominal.

sujeito.

adjunto adverbial de modo.

would had gone

went

should go

would go

would have gone

as

as if

of

like

at

in being

to be

being

that you are

you should be