1, give it to someone. It means to have a direct influence on someone. For example, if food is good or bad for someone, use to;
2.for means from the indirect point of view of meaning and value, for example, if it is important to someone, use for.
3. Prepositions for and to are rich in meaning and complicated in usage.
Extended data
for
Brief introduction of English words
Add a gerund after for.
Known as gabinger
arrive
preposition
Go, go, go, go ... until ..., before ..., than, right, [indicating degree and scope] to, to.
Add v directly after modal verbs instead of to (original)
Add to do sth. To action verbs (for example, need)
(indicating time) to, until, at? Leave before you arrive? ; From seven o'clock to ten o'clock.
(indicating the direction) towards, towards, leading to
(indicating a state) approaching, approaching, facing;
(for an object) Right, right, right? For example;
(indicating comparison) ratio, relative to;
(indicating orientation) in? Direction [direction], in? Order;
(indicating distance) distance;
(indicating a goal) arrive until;
(indicating the result) become, become, tend to.