` color{ red }{ # } ` ` color{ red }{ Ang el } `

1. There was no point in making him change his mind

- There's no point in + V - ing: Vô ích khi làm gì

2. Necessity is said to be the mother of invention

- Bị động đặc biệt: S + to be said that + to - V / to have V3 / ed + O

3. My uncle spends an hour exploring the Internet every day

- It takes ( tùy thì ) + O + time + to V: Mất bao lâu để ai đó làm gì

- = S + spend ( tùy thì ) + time + V - ing: Ai đó dành bao lâu để làm gì

4. How long have they met each other?

- When: Khi nào = How long: Bao lâu

- How long + have / has + S + V3 / ed + O?