I don´t know the diference between , too, also and as well
I have a question. I don´t know the diference between , too, also and as well. How I can know when to use one or the other?

On the other hand, How I can know when to omit the relative, who / that, which / that?

Thank you!!!

Question

I don´t know the diference between , too, also and as well
I have a question. I don´t know the diference between , too, also and as well.  How I can know when to use one or the other?

On the other hand,  How I can know when to omit the relative, who / that, which / that?

Thank you!!!

Answer

You can omit "that" if it is NOT the subject.

1. The book that I like has a red cover. (You can omit "that" because in that sentence, "that" is the object of "like." So "The book I like has a red cover" is acceptable.)

2. The book that has a red cover is my favorite. (You canNOT omit "that," because "that" is the subject of "has." Look at what happens when you omit "that": The book has a red cover is my favorite. That kind of sentence is NOT acceptable to native speakers.

Answer

1. they all work for both contexts. "As well" and "also" are a bit more formal. the difference is the position when you put them in a sentence/clause. 
example:
- I've played the guitar as well.
- I've also played the guitar.
- I've played the guitar too.

2. we can omit "that, who, which" when it is followed by subject of the relative clause (usually pronoun).

Answers · 4

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