Common mistakes: Next

:Check the correct statement(s)

.I’m looking forward to seeing you on next Sunday
.I’m looking forward to seeing you next Sunday

.I have some spare time this week but the next week I’ll have to start work
.I have some spare time this week but next week I’ll have to start work

Next

Determiner

.BAD: I’m looking forward to seeing you on next Sunday
.GOOD: I’m looking forward to seeing you next Sunday

.BAD: I have some spare time this week but the next week I’ll have to start work
.GOOD: I have some spare time this week but next week I’ll have to start work