Wishes and regrets.

The structure is 'wish + past simple'. For example, 'I wish I had a car.'

The structure is 'wish + past perfect'. For example, 'I wish I had studied harder.'

Use 'wish + could + base form of the verb'. For example, 'I wish I could travel more.'

Both express wishes, but 'if only' often conveys a stronger sense of regret.

Use 'wish + would'. For example, 'I wish it would stop raining.'

Use 'wish + subject + would + base form of the verb'. For example, 'I wish he would call me.'

Use 'wish + past perfect'. For example, 'I wish I had gone to the party.'

Use 'wish + past simple'. For example, 'I wish I were taller.'

Use 'wish + subject + past simple'. For example, 'I wish she ate healthier.'

Use 'wish + could + base form of the verb'. For example, 'I wish I could win the lottery.'