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1)

(a) If someone intends to throw an object two Amos, and he throws four, Abaye rules that he is Chayav (since he intended to perform the basic act of throwing). On what grounds does Rava exempt him from a Chatas?

(b) we have already discussed Abaye and Rava's Machlokes regarding someone who intends to cut what is detached, but inadvertently cuts what is attached. In a third Machlokes, regarding someone who throws four Amos in a location which he believes to be a Reshus ha'Yachid, but it turns out to be a Reshus ha'Rabim, Rava again says that he is Patur.
Why does Rava need to issue his ruling in all three cases?

3) In what connection were the following Melachos performed with regard to the construction of the Mishkan ...

1. ... The first group comprising eleven Melachos (from sowing to baking)?
2. ... The second group comprising five Melachos (from shearing wool to spinning)?
3. ... The third group comprising eight Melachos (from stretching the threads of the warp to tearing)?
4. ... The fourth group comprising seven Melachos (from trapping deer to cutting the skin to size)?

(a) What do the Melachos of tearing and erasing have in common?

(b) Why will the Melachah of Soser also belong in this group?

(c) What do the following seven Melachos have in common: placing threads into the loops for weaving, weaving, splitting threads, stitching, tearing, writing and erasing?

(d) What is the definition of the Melachah of Makeh ba'Patish, and why is it called by that name?

5)

(a) Since one normally plows *before* sowing, why does our Tana put sowing first?

(b) What do sowing, pruning, planting, re-planting an attached branch and grafting have in common, and what are the ramifications of this statement?

(c) The only Toldah among these is pruning.
Of which Av is pruning a Toldah?

(d) What does Rebbi Ami mean when he says that planting, re-planting and grafting are Chayav because of sowing?

(a) When will one be Chayav *two* Chata'os for pruning?

(b) What is Aspasta, and how many Chata'os will one have to bring if one cuts it from the ground?

(c) How many Chata'os will have to bring for cutting a beet from its stem?

(a) How many Chata'os will someone who plows, digs a hole and digs ditches in the ground in one Ha'alamah be Chayav to bring?

(b) Which Av Melachah will one have contravened by removing a mound of earth, or by filling in a hole ...

1. ... in the house?
2. ... in the field?

(c) Under which condition is one Chayav for digging a hole?

(d) Why will someone not be Chayav for digging a hole - when all he wants is the earth - even according to Rebbi Yehudah?

(a) Kotzer, Botzer, Goder, Mosek and Orah are all the same Melachah.
What do all of these mean?

(b) According to Rav Papa, a man who throws a clod of earth at a date-palm on Shabbos, and knocks down some dates, has transgressed two Melachos. Which two Melachos?

(c) Why does Rav Ashi disagree with him? How many Melachos has the man transgressed, according to him?

(d) Rabbah maintains that someone who gathers salt next to a salt-mine has transgressed the Melachah of Me'amer.
What does Abaye say about that?

(a) Dash, Menapetz and Menapet are all the same Melachah.
What do they mean?

(b) Why is Menapetz (of flax) a Toldah of Dash and not a Toldah of Menapetz (of wool)?

(a) What is ...

1. ... Zoreh?
2. ... Meraked?

(b) Why does the Mishnah list Zoreh and Meraked among the thirty-nine Melachos, considering that they are both similar to Borer?

(a) According to Abaye, why does the Mishnah not mention Kotesh - (pounding wheat)?

(b) If someone does Ketishah on Shabbos, will he be Patur or Chayav?

(c) Rava answers that the author of our Mishnah is Rebbi, who holds that there are thirty-nine Melachos, and no more. Consequently, there is no room for any other Melachah.
Why does the Gemara reject Rava's answer?