1. If the weather were nice today, we would go for a picnic

2. If I weren't very busy, I would write to you

3. I wish Mike were here.

4. If he had seen you yesterday, he might have spoken to you.

5. We wish he could join in our trip to Ha Noi.

$\text{1.}$ If the weather were nice today, we would go for a picnic.

$\text{→}$ Câu điều kiện loại 2 với tobe:

If + S + were, S + would + V

                             could

$\text{2.}$ If I weren't very busy, I would write to you regularly.

$\text{3.}$ I wish Mike were here.

$\text{→}$ S + wish<es> + S + were: câu cầu ước trái với ht với tobe.

$\text{4.}$ If he had seen you yesterday, he might have spoken to you.

$\text{→}$ Câu điều kiện loại 3: If + S + had + Ved/ P2, S + would/ could/ might + have + Ved/ P2.

$\text{5.}$ We wish he could join in our trip to Ha Noi.

$\text{→}$ S + wish<es> + S + could + V: câu cầu ước với V