Spanish language Q&A Forum

What is wrong with "Teníamos que usar cascos de protección" . I have heard many people use "usar" for to wear. 

For these three examples, wouldn't it be:

¿Tú no te sientes nada por ella?

Vosotros os sentís un gran amor por la naturaleza.

Él se siente una gran alegría.

Helpful maybe to think of salvo que, a no ser que, a menos que (and sin que) followed by subjunctive as implying a NOT. A conditional : Unless = If not.

My confusion is that when I read 'le habían gustado' I think this was in the past, whereas she still very much likes dolphins and hence is going to have her dream fulfilled tomorrow'. Thanks

Is there a difference between the above options?  It looks like they can be used interchangeably, but I'm not sure.  Here are the examples:

Van a construir un hotel cien por cien ecológico.

Estoy seguro al ciento por ciento.

Thanks!

How would you say he/she has?

Just a question -- will all these exercises have the Spanish accent from Spain?   I am hoping to near Latin American