What Is Their Main Difference?
'Would have' is the past tense of modal verb 'would.' We only use 'would have' in the third type of conditional sentences. In this type of conditionals, we talk about an imaginary past and what could have happened but never did. In other words, we are imagining a past that never happened.
To create this type of conditionals, we use the following pattern:
- If + past perfect + would + have + past participle
Check out the following examples:
If I had died, things
If she had his number, none of this
We can make negative sentences with 'would' and 'would have.' To do so, we simply add 'not' to 'would' as illustrated below:
- Would → Would not → Wouldn't
- Would have → Would not have → Wouldn't have
Take a look at these examples to see the negation process in action:
'Would' can also be used with conditional type 2. In this type of conditionals, we are talking about hypothetical situations in the present or the future. These situations are imaginary and have a low chance of occurrence. For instance: