How does Shakespeare present Macbeth as nervous and scared in Act 1 scene 7?

If it were done when 'tis done, then 'twere well

It were done quickly: if the assassination

Could trammel up the consequence, and catch

With his surcease success; that but this blow

Might be the be-all and the end-all here,

But here, upon this bank and shoal of time,

We'ld jump the life to come. (Act 1, Scene 7)

Explanation:

Macbeth was ready to kill Duncan when he found out he was not named the king’s heir.  He was feeling very ambitious, since the witches told him he would be king.  However, when he returned home he was suddenly not so ready.  Killing the king suddenly seems like not such a good idea. Which prooves that she was nervous and scared!

free time is when all my homework and chores have been done for the day and i am "free" to do things that i enjoy doing.

usually i spend time watching television. as my favorite tv shows come on at specific times, i make sure that i finish my homework and chores well before the shows. otherwise i will have to miss them. mostly i manage to watch the shows but sometimes extra homework or chores may cause me to miss a show or two, but it is rare. anyhow if i know that i am definitely not able to catch a show in time, i will just set the video recorder to tape the show sothe evening when the weather is fine, i sometimes go for a stroll around the neighborhood with my friends. this is the time when most the neighbors have come home from work or school. we say hello to those whom we know. they are mostly friendly people and they acknowledge our greetings. once in a while we come upon unfriendly neighbors but we just ignore them and carry on. that i can watch it later.