1. will know/ don't reveal

2. would you do

3. knew

4. answers/ won't help

5. see

1 will know / don't reveal

2 will you do

3 knew

4 answers/ won't help

5 see

1. will know - don't reveal

→→ If + S + V(hiện tại đơn), S + will/won't + V(inf).

2. will you do

→→ Từ để hỏi + S + will/won't + ... 

3. knew

→→ S + wish + S + V(quá khứ đơn).

4. answers - won't help

→→ Unless + S + V (hiện tại đơn), S + will/won't + V(inf)

5. see

→→ If + S + V(hiện tại đơn), S + will/won't + V(inf).

1. knows, won't  reveal
2. would you do
3. would know
4. answers, will not help 
5. see