$1.$ Those buses are not going to the airport and neither do taxis.
- S + tobe + (not) + going to + V (bare).
$2.$ You don't want to sell the house last year?
- want to + V (bare):
$3.$ He stops smoking to save money.
- stopped + to V: dừng việc này để làm việc kia.
$4.$ My brother doesn't drive carefully. Neither do I.
- "Anh trai tôi không lái xe cẩn thận và tôi cũng thế".
$5.$ It's difficult to prevent people from parking here.
- difficult + to V: khó để làm gì
